19156977710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{541}}^1\times {\mathrm{647}}^1$

素因数の和:1629

約数の個数: 64

約数和(自身を含む): 37349714304

約数和(自身を除く): 18192736594

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 421, 541, 647, 842, 1082, 1294, 2105, 2705, 3235, 4210, 5410, 5473, 6470, 7033, 8411, 10946, 14066, 16822, 27365, 35165, 42055, 54730, 70330, 84110, 227761, 272387, 350027, 455522, 544774, 700054, 1138805, 1361935, 1750135, 2277610, 2723870, 2960893, 3500270, 3541031, 4550351, 5921786, 7082062, 9100702, 14804465, 17705155, 22751755, 29608930, 35410310, 45503510, 147361367, 294722734, 736806835, 1473613670, 1915697771, 3831395542, 9578488855, 19156977710]

約数ペア:

[(1, 19156977710), (2, 9578488855), (5, 3831395542), (10, 1915697771), (13, 1473613670), (26, 736806835), (65, 294722734), (130, 147361367), (421, 45503510), (541, 35410310), (647, 29608930), (842, 22751755), (1082, 17705155), (1294, 14804465), (2105, 9100702), (2705, 7082062), (3235, 5921786), (4210, 4550351), (5410, 3541031), (5473, 3500270), (6470, 2960893), (7033, 2723870), (8411, 2277610), (10946, 1750135), (14066, 1361935), (16822, 1138805), (27365, 700054), (35165, 544774), (42055, 455522), (54730, 350027), (70330, 272387), (84110, 227761)]