19678100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15137}}^1$

素因数の和:15164

約数の個数: 36

約数和(自身を含む): 45989244

約数和(自身を除く): 26311144

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15137, 30274, 60548, 75685, 151370, 196781, 302740, 378425, 393562, 756850, 787124, 983905, 1513700, 1967810, 3935620, 4919525, 9839050, 19678100]

約数ペア:

[(1, 19678100), (2, 9839050), (4, 4919525), (5, 3935620), (10, 1967810), (13, 1513700), (20, 983905), (25, 787124), (26, 756850), (50, 393562), (52, 378425), (65, 302740), (100, 196781), (130, 151370), (260, 75685), (325, 60548), (650, 30274), (1300, 15137)]