17966145476

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:837

約数の個数: 72

約数和(自身を含む): 33667375896

約数和(自身を除く): 15701230420

約数列:

[1, 2, 4, 19, 38, 76, 137, 197, 274, 361, 394, 461, 548, 722, 788, 922, 1444, 1844, 2603, 3743, 5206, 7486, 8759, 10412, 14972, 17518, 26989, 35036, 49457, 53978, 63157, 71117, 90817, 98914, 107956, 126314, 142234, 166421, 181634, 197828, 252628, 284468, 332842, 363268, 512791, 665684, 1025582, 1199983, 1725523, 2051164, 2399966, 3451046, 4799932, 6902092, 9743029, 12441929, 19486058, 22799677, 24883858, 32784937, 38972116, 45599354, 49767716, 65569874, 91198708, 131139748, 236396651, 472793302, 945586604, 4491536369, 8983072738, 17966145476]

約数ペア:

[(1, 17966145476), (2, 8983072738), (4, 4491536369), (19, 945586604), (38, 472793302), (76, 236396651), (137, 131139748), (197, 91198708), (274, 65569874), (361, 49767716), (394, 45599354), (461, 38972116), (548, 32784937), (722, 24883858), (788, 22799677), (922, 19486058), (1444, 12441929), (1844, 9743029), (2603, 6902092), (3743, 4799932), (5206, 3451046), (7486, 2399966), (8759, 2051164), (10412, 1725523), (14972, 1199983), (17518, 1025582), (26989, 665684), (35036, 512791), (49457, 363268), (53978, 332842), (63157, 284468), (71117, 252628), (90817, 197828), (98914, 181634), (107956, 166421), (126314, 142234)]