18881022

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 41696640

約数和(自身を除く): 22815618

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 361, 379, 437, 722, 758, 874, 1083, 1137, 1311, 2166, 2274, 2622, 7201, 8303, 8717, 14402, 16606, 17434, 21603, 24909, 26151, 43206, 49818, 52302, 136819, 165623, 273638, 331246, 410457, 496869, 820914, 993738, 3146837, 6293674, 9440511, 18881022]

約数ペア:

[(1, 18881022), (2, 9440511), (3, 6293674), (6, 3146837), (19, 993738), (23, 820914), (38, 496869), (46, 410457), (57, 331246), (69, 273638), (114, 165623), (138, 136819), (361, 52302), (379, 49818), (437, 43206), (722, 26151), (758, 24909), (874, 21603), (1083, 17434), (1137, 16606), (1311, 14402), (2166, 8717), (2274, 8303), (2622, 7201)]