20171979736

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{968689}}^1$

素因数の和:968851

約数の個数: 32

約数和(自身を含む): 40103766000

約数和(自身を除く): 19931786264

約数列:

[1, 2, 4, 8, 19, 38, 76, 137, 152, 274, 548, 1096, 2603, 5206, 10412, 20824, 968689, 1937378, 3874756, 7749512, 18405091, 36810182, 73620364, 132710393, 147240728, 265420786, 530841572, 1061683144, 2521497467, 5042994934, 10085989868, 20171979736]

約数ペア:

[(1, 20171979736), (2, 10085989868), (4, 5042994934), (8, 2521497467), (19, 1061683144), (38, 530841572), (76, 265420786), (137, 147240728), (152, 132710393), (274, 73620364), (548, 36810182), (1096, 18405091), (2603, 7749512), (5206, 3874756), (10412, 1937378), (20824, 968689)]