18945100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{8237}}^1$

素因数の和:8274

約数の個数: 36

約数和(自身を含む): 42903504

約数和(自身を除く): 23958404

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 8237, 16474, 32948, 41185, 82370, 164740, 189451, 205925, 378902, 411850, 757804, 823700, 947255, 1894510, 3789020, 4736275, 9472550, 18945100]

約数ペア:

[(1, 18945100), (2, 9472550), (4, 4736275), (5, 3789020), (10, 1894510), (20, 947255), (23, 823700), (25, 757804), (46, 411850), (50, 378902), (92, 205925), (100, 189451), (115, 164740), (230, 82370), (460, 41185), (575, 32948), (1150, 16474), (2300, 8237)]