18652179

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4019}}^1$

素因数の和:4059

約数の個数: 32

約数和(自身を含む): 32417280

約数和(自身を除く): 13765101

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4019, 4641, 12057, 28133, 52247, 68323, 84399, 156741, 204969, 365729, 478261, 888199, 1097187, 1434783, 2664597, 6217393, 18652179]

約数ペア:

[(1, 18652179), (3, 6217393), (7, 2664597), (13, 1434783), (17, 1097187), (21, 888199), (39, 478261), (51, 365729), (91, 204969), (119, 156741), (221, 84399), (273, 68323), (357, 52247), (663, 28133), (1547, 12057), (4019, 4641)]