31289238

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{479}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 71884800

約数和(自身を除く): 40595562

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 191, 342, 382, 479, 573, 958, 1146, 1437, 1719, 2874, 3438, 3629, 4311, 7258, 8622, 9101, 10887, 18202, 21774, 27303, 32661, 54606, 65322, 81909, 91489, 163818, 182978, 274467, 548934, 823401, 1646802, 1738291, 3476582, 5214873, 10429746, 15644619, 31289238]

約数ペア:

[(1, 31289238), (2, 15644619), (3, 10429746), (6, 5214873), (9, 3476582), (18, 1738291), (19, 1646802), (38, 823401), (57, 548934), (114, 274467), (171, 182978), (191, 163818), (342, 91489), (382, 81909), (479, 65322), (573, 54606), (958, 32661), (1146, 27303), (1437, 21774), (1719, 18202), (2874, 10887), (3438, 9101), (3629, 8622), (4311, 7258)]