18996969594

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1\times {\mathrm{787}}^1$

素因数の和:1315

約数の個数: 64

約数和(自身を含む): 38825579520

約数和(自身を除く): 19828609926

約数列:

[1, 2, 3, 6, 103, 139, 206, 278, 281, 309, 417, 562, 618, 787, 834, 843, 1574, 1686, 2361, 4722, 14317, 28634, 28943, 39059, 42951, 57886, 78118, 81061, 85902, 86829, 109393, 117177, 162122, 173658, 218786, 221147, 234354, 243183, 328179, 442294, 486366, 656358, 663441, 1326882, 4023077, 8046154, 11267479, 12069231, 22534958, 22778141, 24138462, 30739433, 33802437, 45556282, 61478866, 67604874, 68334423, 92218299, 136668846, 184436598, 3166161599, 6332323198, 9498484797, 18996969594]

約数ペア:

[(1, 18996969594), (2, 9498484797), (3, 6332323198), (6, 3166161599), (103, 184436598), (139, 136668846), (206, 92218299), (278, 68334423), (281, 67604874), (309, 61478866), (417, 45556282), (562, 33802437), (618, 30739433), (787, 24138462), (834, 22778141), (843, 22534958), (1574, 12069231), (1686, 11267479), (2361, 8046154), (4722, 4023077), (14317, 1326882), (28634, 663441), (28943, 656358), (39059, 486366), (42951, 442294), (57886, 328179), (78118, 243183), (81061, 234354), (85902, 221147), (86829, 218786), (109393, 173658), (117177, 162122)]