18121235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19381}}^1$

素因数の和:19414

約数の個数: 16

約数和(自身を含む): 25119072

約数和(自身を除く): 6997837

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 19381, 96905, 213191, 329477, 1065955, 1647385, 3624247, 18121235]

約数ペア:

[(1, 18121235), (5, 3624247), (11, 1647385), (17, 1065955), (55, 329477), (85, 213191), (187, 96905), (935, 19381)]