19380374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 33475680

約数和(自身を除く): 14095306

約数列:

[1, 2, 13, 17, 26, 34, 163, 221, 269, 326, 442, 538, 2119, 2771, 3497, 4238, 4573, 5542, 6994, 9146, 36023, 43847, 59449, 72046, 87694, 118898, 570011, 745399, 1140022, 1490798, 9690187, 19380374]

約数ペア:

[(1, 19380374), (2, 9690187), (13, 1490798), (17, 1140022), (26, 745399), (34, 570011), (163, 118898), (221, 87694), (269, 72046), (326, 59449), (442, 43847), (538, 36023), (2119, 9146), (2771, 6994), (3497, 5542), (4238, 4573)]