18888941672

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{41621}}^1$

素因数の和:41762

約数の個数: 64

約数和(自身を含む): 38838320640

約数和(自身を除く): 19949378968

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 71, 94, 136, 142, 188, 284, 376, 568, 799, 1207, 1598, 2414, 3196, 3337, 4828, 6392, 6674, 9656, 13348, 26696, 41621, 56729, 83242, 113458, 166484, 226916, 332968, 453832, 707557, 1415114, 1956187, 2830228, 2955091, 3912374, 5660456, 5910182, 7824748, 11820364, 15649496, 23640728, 33255179, 50236547, 66510358, 100473094, 133020716, 138889277, 200946188, 266041432, 277778554, 401892376, 555557108, 1111114216, 2361117709, 4722235418, 9444470836, 18888941672]

約数ペア:

[(1, 18888941672), (2, 9444470836), (4, 4722235418), (8, 2361117709), (17, 1111114216), (34, 555557108), (47, 401892376), (68, 277778554), (71, 266041432), (94, 200946188), (136, 138889277), (142, 133020716), (188, 100473094), (284, 66510358), (376, 50236547), (568, 33255179), (799, 23640728), (1207, 15649496), (1598, 11820364), (2414, 7824748), (3196, 5910182), (3337, 5660456), (4828, 3912374), (6392, 2955091), (6674, 2830228), (9656, 1956187), (13348, 1415114), (26696, 707557), (41621, 453832), (56729, 332968), (83242, 226916), (113458, 166484)]