18215223

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{6971}}^1$

素因数の和:7054

約数の個数: 16

約数和(自身を含む): 26549376

約数和(自身を除く): 8334153

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 6971, 20913, 90623, 271869, 467057, 1401171, 6071741, 18215223]

約数ペア:

[(1, 18215223), (3, 6071741), (13, 1401171), (39, 467057), (67, 271869), (201, 90623), (871, 20913), (2613, 6971)]