19497972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{124987}}^1$

素因数の和:125007

約数の個数: 24

約数和(自身を含む): 48995296

約数和(自身を除く): 29497324

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 124987, 249974, 374961, 499948, 749922, 1499844, 1624831, 3249662, 4874493, 6499324, 9748986, 19497972]

約数ペア:

[(1, 19497972), (2, 9748986), (3, 6499324), (4, 4874493), (6, 3249662), (12, 1624831), (13, 1499844), (26, 749922), (39, 499948), (52, 374961), (78, 249974), (156, 124987)]