18837360

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 280

約数和(自身を含む): 73187280

約数和(自身を除く): 54349920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 27, 30, 34, 36, 38, 40, 45, 48, 51, 54, 57, 60, 68, 72, 76, 80, 81, 85, 90, 95, 102, 108, 114, 120, 135, 136, 144, 152, 153, 162, 170, 171, 180, 190, 204, 216, 228, 240, 243, 255, 270, 272, 285, 304, 306, 323, 324, 340, 342, 360, 380, 405, 408, 432, 456, 459, 486, 510, 513, 540, 570, 612, 646, 648, 680, 684, 720, 729, 760, 765, 810, 816, 855, 912, 918, 969, 972, 1020, 1026, 1080, 1140, 1215, 1224, 1292, 1296, 1360, 1368, 1377, 1458, 1520, 1530, 1539, 1615, 1620, 1710, 1836, 1938, 1944, 2040, 2052, 2160, 2280, 2295, 2430, 2448, 2565, 2584, 2736, 2754, 2907, 2916, 3060, 3078, 3230, 3240, 3420, 3645, 3672, 3876, 3888, 4080, 4104, 4131, 4560, 4590, 4617, 4845, 4860, 5130, 5168, 5508, 5814, 5832, 6120, 6156, 6460, 6480, 6840, 6885, 7290, 7344, 7695, 7752, 8208, 8262, 8721, 9180, 9234, 9690, 9720, 10260, 11016, 11628, 11664, 12240, 12312, 12393, 12920, 13680, 13770, 13851, 14535, 14580, 15390, 15504, 16524, 17442, 18360, 18468, 19380, 19440, 20520, 20655, 22032, 23085, 23256, 24624, 24786, 25840, 26163, 27540, 27702, 29070, 29160, 30780, 33048, 34884, 36720, 36936, 38760, 41040, 41310, 43605, 46170, 46512, 49572, 52326, 55080, 55404, 58140, 58320, 61560, 61965, 66096, 69255, 69768, 73872, 77520, 78489, 82620, 87210, 92340, 99144, 104652, 110160, 110808, 116280, 123120, 123930, 130815, 138510, 139536, 156978, 165240, 174420, 184680, 198288, 209304, 221616, 232560, 235467, 247860, 261630, 277020, 313956, 330480, 348840, 369360, 392445, 418608, 470934, 495720, 523260, 554040, 627912, 697680, 784890, 941868, 991440, 1046520, 1108080, 1177335, 1255824, 1569780, 1883736, 2093040, 2354670, 3139560, 3767472, 4709340, 6279120, 9418680, 18837360]

約数ペア:

[(1, 18837360), (2, 9418680), (3, 6279120), (4, 4709340), (5, 3767472), (6, 3139560), (8, 2354670), (9, 2093040), (10, 1883736), (12, 1569780), (15, 1255824), (16, 1177335), (17, 1108080), (18, 1046520), (19, 991440), (20, 941868), (24, 784890), (27, 697680), (30, 627912), (34, 554040), (36, 523260), (38, 495720), (40, 470934), (45, 418608), (48, 392445), (51, 369360), (54, 348840), (57, 330480), (60, 313956), (68, 277020), (72, 261630), (76, 247860), (80, 235467), (81, 232560), (85, 221616), (90, 209304), (95, 198288), (102, 184680), (108, 174420), (114, 165240), (120, 156978), (135, 139536), (136, 138510), (144, 130815), (152, 123930), (153, 123120), (162, 116280), (170, 110808), (171, 110160), (180, 104652), (190, 99144), (204, 92340), (216, 87210), (228, 82620), (240, 78489), (243, 77520), (255, 73872), (270, 69768), (272, 69255), (285, 66096), (304, 61965), (306, 61560), (323, 58320), (324, 58140), (340, 55404), (342, 55080), (360, 52326), (380, 49572), (405, 46512), (408, 46170), (432, 43605), (456, 41310), (459, 41040), (486, 38760), (510, 36936), (513, 36720), (540, 34884), (570, 33048), (612, 30780), (646, 29160), (648, 29070), (680, 27702), (684, 27540), (720, 26163), (729, 25840), (760, 24786), (765, 24624), (810, 23256), (816, 23085), (855, 22032), (912, 20655), (918, 20520), (969, 19440), (972, 19380), (1020, 18468), (1026, 18360), (1080, 17442), (1140, 16524), (1215, 15504), (1224, 15390), (1292, 14580), (1296, 14535), (1360, 13851), (1368, 13770), (1377, 13680), (1458, 12920), (1520, 12393), (1530, 12312), (1539, 12240), (1615, 11664), (1620, 11628), (1710, 11016), (1836, 10260), (1938, 9720), (1944, 9690), (2040, 9234), (2052, 9180), (2160, 8721), (2280, 8262), (2295, 8208), (2430, 7752), (2448, 7695), (2565, 7344), (2584, 7290), (2736, 6885), (2754, 6840), (2907, 6480), (2916, 6460), (3060, 6156), (3078, 6120), (3230, 5832), (3240, 5814), (3420, 5508), (3645, 5168), (3672, 5130), (3876, 4860), (3888, 4845), (4080, 4617), (4104, 4590), (4131, 4560)]