18883502

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{78031}}^1$

素因数の和:78055

約数の個数: 12

約数和(自身を含む): 31134768

約数和(自身を除く): 12251266

約数列:

[1, 2, 11, 22, 121, 242, 78031, 156062, 858341, 1716682, 9441751, 18883502]

約数ペア:

[(1, 18883502), (2, 9441751), (11, 1716682), (22, 858341), (121, 156062), (242, 78031)]