19181435475

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^2\times {\mathrm{127}}^1\times {\mathrm{1471}}^1$

素因数の和:1685

約数の個数: 72

約数和(自身を含む): 32872562688

約数和(自身を除く): 13691127213

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 127, 185, 381, 555, 635, 925, 1369, 1471, 1905, 2775, 3175, 4107, 4413, 4699, 6845, 7355, 9525, 14097, 20535, 22065, 23495, 34225, 36775, 54427, 70485, 102675, 110325, 117475, 163281, 173863, 186817, 272135, 352425, 521589, 560451, 816405, 869315, 934085, 1360675, 2013799, 2607945, 2802255, 4082025, 4346575, 4670425, 6041397, 6912229, 10068995, 13039725, 14011275, 20736687, 30206985, 34561145, 50344975, 103683435, 151034925, 172805725, 255752473, 518417175, 767257419, 1278762365, 3836287095, 6393811825, 19181435475]

約数ペア:

[(1, 19181435475), (3, 6393811825), (5, 3836287095), (15, 1278762365), (25, 767257419), (37, 518417175), (75, 255752473), (111, 172805725), (127, 151034925), (185, 103683435), (381, 50344975), (555, 34561145), (635, 30206985), (925, 20736687), (1369, 14011275), (1471, 13039725), (1905, 10068995), (2775, 6912229), (3175, 6041397), (4107, 4670425), (4413, 4346575), (4699, 4082025), (6845, 2802255), (7355, 2607945), (9525, 2013799), (14097, 1360675), (20535, 934085), (22065, 869315), (23495, 816405), (34225, 560451), (36775, 521589), (54427, 352425), (70485, 272135), (102675, 186817), (110325, 173863), (117475, 163281)]