19418760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:220

約数の個数: 192

約数和(自身を含む): 70761600

約数和(自身を除く): 51342840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 51, 57, 60, 68, 72, 76, 85, 90, 95, 102, 114, 120, 136, 152, 153, 167, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 334, 340, 342, 360, 380, 408, 456, 501, 510, 570, 612, 646, 668, 680, 684, 760, 765, 835, 855, 969, 1002, 1020, 1140, 1224, 1292, 1336, 1368, 1503, 1530, 1615, 1670, 1710, 1938, 2004, 2040, 2280, 2505, 2584, 2839, 2907, 3006, 3060, 3173, 3230, 3340, 3420, 3876, 4008, 4845, 5010, 5678, 5814, 6012, 6120, 6346, 6460, 6680, 6840, 7515, 7752, 8517, 9519, 9690, 10020, 11356, 11628, 12024, 12692, 12920, 14195, 14535, 15030, 15865, 17034, 19038, 19380, 20040, 22712, 23256, 25384, 25551, 28390, 28557, 29070, 30060, 31730, 34068, 38076, 38760, 42585, 47595, 51102, 53941, 56780, 57114, 58140, 60120, 63460, 68136, 76152, 85170, 95190, 102204, 107882, 113560, 114228, 116280, 126920, 127755, 142785, 161823, 170340, 190380, 204408, 215764, 228456, 255510, 269705, 285570, 323646, 340680, 380760, 431528, 485469, 511020, 539410, 571140, 647292, 809115, 970938, 1022040, 1078820, 1142280, 1294584, 1618230, 1941876, 2157640, 2427345, 3236460, 3883752, 4854690, 6472920, 9709380, 19418760]

約数ペア:

[(1, 19418760), (2, 9709380), (3, 6472920), (4, 4854690), (5, 3883752), (6, 3236460), (8, 2427345), (9, 2157640), (10, 1941876), (12, 1618230), (15, 1294584), (17, 1142280), (18, 1078820), (19, 1022040), (20, 970938), (24, 809115), (30, 647292), (34, 571140), (36, 539410), (38, 511020), (40, 485469), (45, 431528), (51, 380760), (57, 340680), (60, 323646), (68, 285570), (72, 269705), (76, 255510), (85, 228456), (90, 215764), (95, 204408), (102, 190380), (114, 170340), (120, 161823), (136, 142785), (152, 127755), (153, 126920), (167, 116280), (170, 114228), (171, 113560), (180, 107882), (190, 102204), (204, 95190), (228, 85170), (255, 76152), (285, 68136), (306, 63460), (323, 60120), (334, 58140), (340, 57114), (342, 56780), (360, 53941), (380, 51102), (408, 47595), (456, 42585), (501, 38760), (510, 38076), (570, 34068), (612, 31730), (646, 30060), (668, 29070), (680, 28557), (684, 28390), (760, 25551), (765, 25384), (835, 23256), (855, 22712), (969, 20040), (1002, 19380), (1020, 19038), (1140, 17034), (1224, 15865), (1292, 15030), (1336, 14535), (1368, 14195), (1503, 12920), (1530, 12692), (1615, 12024), (1670, 11628), (1710, 11356), (1938, 10020), (2004, 9690), (2040, 9519), (2280, 8517), (2505, 7752), (2584, 7515), (2839, 6840), (2907, 6680), (3006, 6460), (3060, 6346), (3173, 6120), (3230, 6012), (3340, 5814), (3420, 5678), (3876, 5010), (4008, 4845)]