31601218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 57278016

約数和(自身を除く): 25676798

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 173, 209, 253, 346, 361, 418, 437, 506, 722, 874, 1903, 3287, 3806, 3971, 3979, 4807, 6574, 7942, 7958, 8303, 9614, 16606, 36157, 43769, 62453, 72314, 75601, 87538, 91333, 124906, 151202, 182666, 686983, 831611, 1373966, 1436419, 1663222, 2872838, 15800609, 31601218]

約数ペア:

[(1, 31601218), (2, 15800609), (11, 2872838), (19, 1663222), (22, 1436419), (23, 1373966), (38, 831611), (46, 686983), (173, 182666), (209, 151202), (253, 124906), (346, 91333), (361, 87538), (418, 75601), (437, 72314), (506, 62453), (722, 43769), (874, 36157), (1903, 16606), (3287, 9614), (3806, 8303), (3971, 7958), (3979, 7942), (4807, 6574)]