18400252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{821}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 34800192

約数和(自身を除く): 16399940

約数列:

[1, 2, 4, 13, 26, 52, 431, 821, 862, 1642, 1724, 3284, 5603, 10673, 11206, 21346, 22412, 42692, 353851, 707702, 1415404, 4600063, 9200126, 18400252]

約数ペア:

[(1, 18400252), (2, 9200126), (4, 4600063), (13, 1415404), (26, 707702), (52, 353851), (431, 42692), (821, 22412), (862, 21346), (1642, 11206), (1724, 10673), (3284, 5603)]