17989938

素因数分解:

$2^1\times 3^4\times {\mathrm{111049}}^1$

素因数の和:111063

約数の個数: 20

約数和(自身を含む): 40311150

約数和(自身を除く): 22321212

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 111049, 222098, 333147, 666294, 999441, 1998882, 2998323, 5996646, 8994969, 17989938]

約数ペア:

[(1, 17989938), (2, 8994969), (3, 5996646), (6, 2998323), (9, 1998882), (18, 999441), (27, 666294), (54, 333147), (81, 222098), (162, 111049)]