19449540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:103

約数の個数: 216

約数和(自身を含む): 69713280

約数和(自身を除く): 50263740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 47, 55, 57, 60, 66, 76, 90, 94, 95, 99, 110, 114, 121, 132, 141, 165, 171, 180, 188, 190, 198, 209, 220, 228, 235, 242, 282, 285, 330, 342, 363, 380, 396, 418, 423, 470, 484, 495, 517, 564, 570, 605, 627, 660, 684, 705, 726, 836, 846, 855, 893, 940, 990, 1034, 1045, 1089, 1140, 1210, 1254, 1410, 1452, 1551, 1692, 1710, 1786, 1815, 1881, 1980, 2068, 2090, 2115, 2178, 2299, 2420, 2508, 2585, 2679, 2820, 3102, 3135, 3420, 3572, 3630, 3762, 4180, 4230, 4356, 4465, 4598, 4653, 5170, 5358, 5445, 5687, 6204, 6270, 6897, 7260, 7524, 7755, 8037, 8460, 8930, 9196, 9306, 9405, 9823, 10340, 10716, 10890, 11374, 11495, 12540, 13395, 13794, 15510, 16074, 17061, 17860, 18612, 18810, 19646, 20691, 21780, 22748, 22990, 23265, 26790, 27588, 28435, 29469, 31020, 32148, 34122, 34485, 37620, 39292, 40185, 41382, 45980, 46530, 49115, 51183, 53580, 56870, 58938, 68244, 68970, 80370, 82764, 85305, 88407, 93060, 98230, 102366, 103455, 108053, 113740, 117876, 137940, 147345, 160740, 170610, 176814, 196460, 204732, 206910, 216106, 255915, 294690, 324159, 341220, 353628, 413820, 432212, 442035, 511830, 540265, 589380, 648318, 884070, 972477, 1023660, 1080530, 1296636, 1620795, 1768140, 1944954, 2161060, 3241590, 3889908, 4862385, 6483180, 9724770, 19449540]

約数ペア:

[(1, 19449540), (2, 9724770), (3, 6483180), (4, 4862385), (5, 3889908), (6, 3241590), (9, 2161060), (10, 1944954), (11, 1768140), (12, 1620795), (15, 1296636), (18, 1080530), (19, 1023660), (20, 972477), (22, 884070), (30, 648318), (33, 589380), (36, 540265), (38, 511830), (44, 442035), (45, 432212), (47, 413820), (55, 353628), (57, 341220), (60, 324159), (66, 294690), (76, 255915), (90, 216106), (94, 206910), (95, 204732), (99, 196460), (110, 176814), (114, 170610), (121, 160740), (132, 147345), (141, 137940), (165, 117876), (171, 113740), (180, 108053), (188, 103455), (190, 102366), (198, 98230), (209, 93060), (220, 88407), (228, 85305), (235, 82764), (242, 80370), (282, 68970), (285, 68244), (330, 58938), (342, 56870), (363, 53580), (380, 51183), (396, 49115), (418, 46530), (423, 45980), (470, 41382), (484, 40185), (495, 39292), (517, 37620), (564, 34485), (570, 34122), (605, 32148), (627, 31020), (660, 29469), (684, 28435), (705, 27588), (726, 26790), (836, 23265), (846, 22990), (855, 22748), (893, 21780), (940, 20691), (990, 19646), (1034, 18810), (1045, 18612), (1089, 17860), (1140, 17061), (1210, 16074), (1254, 15510), (1410, 13794), (1452, 13395), (1551, 12540), (1692, 11495), (1710, 11374), (1786, 10890), (1815, 10716), (1881, 10340), (1980, 9823), (2068, 9405), (2090, 9306), (2115, 9196), (2178, 8930), (2299, 8460), (2420, 8037), (2508, 7755), (2585, 7524), (2679, 7260), (2820, 6897), (3102, 6270), (3135, 6204), (3420, 5687), (3572, 5445), (3630, 5358), (3762, 5170), (4180, 4653), (4230, 4598), (4356, 4465)]