18945550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29147}}^1$

素因数の和:29172

約数の個数: 24

約数和(自身を含む): 37950696

約数和(自身を除く): 19005146

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 29147, 58294, 145735, 291470, 378911, 728675, 757822, 1457350, 1894555, 3789110, 9472775, 18945550]

約数ペア:

[(1, 18945550), (2, 9472775), (5, 3789110), (10, 1894555), (13, 1457350), (25, 757822), (26, 728675), (50, 378911), (65, 291470), (130, 145735), (325, 58294), (650, 29147)]