19849700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15269}}^1$

素因数の和:15296

約数の個数: 36

約数和(自身を含む): 46390260

約数和(自身を除く): 26540560

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15269, 30538, 61076, 76345, 152690, 198497, 305380, 381725, 396994, 763450, 793988, 992485, 1526900, 1984970, 3969940, 4962425, 9924850, 19849700]

約数ペア:

[(1, 19849700), (2, 9924850), (4, 4962425), (5, 3969940), (10, 1984970), (13, 1526900), (20, 992485), (25, 793988), (26, 763450), (50, 396994), (52, 381725), (65, 305380), (100, 198497), (130, 152690), (260, 76345), (325, 61076), (650, 30538), (1300, 15269)]