19937892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127807}}^1$

素因数の和:127827

約数の個数: 24

約数和(自身を含む): 50100736

約数和(自身を除く): 30162844

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 127807, 255614, 383421, 511228, 766842, 1533684, 1661491, 3322982, 4984473, 6645964, 9968946, 19937892]

約数ペア:

[(1, 19937892), (2, 9968946), (3, 6645964), (4, 4984473), (6, 3322982), (12, 1661491), (13, 1533684), (26, 766842), (39, 511228), (52, 383421), (78, 255614), (156, 127807)]