18891848

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 36279360

約数和(自身を除く): 17387512

約数列:

[1, 2, 4, 8, 101, 103, 202, 206, 227, 404, 412, 454, 808, 824, 908, 1816, 10403, 20806, 22927, 23381, 41612, 45854, 46762, 83224, 91708, 93524, 183416, 187048, 2361481, 4722962, 9445924, 18891848]

約数ペア:

[(1, 18891848), (2, 9445924), (4, 4722962), (8, 2361481), (101, 187048), (103, 183416), (202, 93524), (206, 91708), (227, 83224), (404, 46762), (412, 45854), (454, 41612), (808, 23381), (824, 22927), (908, 20806), (1816, 10403)]