19913270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11783}}^1$

素因数の和:11816

約数の個数: 24

約数和(自身を含む): 38816496

約数和(自身を除く): 18903226

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11783, 23566, 58915, 117830, 153179, 306358, 765895, 1531790, 1991327, 3982654, 9956635, 19913270]

約数ペア:

[(1, 19913270), (2, 9956635), (5, 3982654), (10, 1991327), (13, 1531790), (26, 765895), (65, 306358), (130, 153179), (169, 117830), (338, 58915), (845, 23566), (1690, 11783)]