19217409256

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{11801}}^1$

素因数の和:11986

約数の個数: 64

約数和(自身を含む): 37932572160

約数和(自身を除く): 18715162904

約数列:

[1, 2, 4, 8, 47, 61, 71, 94, 122, 142, 188, 244, 284, 376, 488, 568, 2867, 3337, 4331, 5734, 6674, 8662, 11468, 11801, 13348, 17324, 22936, 23602, 26696, 34648, 47204, 94408, 203557, 407114, 554647, 719861, 814228, 837871, 1109294, 1439722, 1628456, 1675742, 2218588, 2879444, 3351484, 4437176, 5758888, 6702968, 33833467, 39379937, 51110131, 67666934, 78759874, 102220262, 135333868, 157519748, 204440524, 270667736, 315039496, 408881048, 2402176157, 4804352314, 9608704628, 19217409256]

約数ペア:

[(1, 19217409256), (2, 9608704628), (4, 4804352314), (8, 2402176157), (47, 408881048), (61, 315039496), (71, 270667736), (94, 204440524), (122, 157519748), (142, 135333868), (188, 102220262), (244, 78759874), (284, 67666934), (376, 51110131), (488, 39379937), (568, 33833467), (2867, 6702968), (3337, 5758888), (4331, 4437176), (5734, 3351484), (6674, 2879444), (8662, 2218588), (11468, 1675742), (11801, 1628456), (13348, 1439722), (17324, 1109294), (22936, 837871), (23602, 814228), (26696, 719861), (34648, 554647), (47204, 407114), (94408, 203557)]