19976886

素因数分解:

$2^1\times 3^2\times {\mathrm{1021}}^1\times {\mathrm{1087}}^1$

素因数の和:2116

約数の個数: 24

約数和(自身を含む): 43365504

約数和(自身を除く): 23388618

約数列:

[1, 2, 3, 6, 9, 18, 1021, 1087, 2042, 2174, 3063, 3261, 6126, 6522, 9189, 9783, 18378, 19566, 1109827, 2219654, 3329481, 6658962, 9988443, 19976886]

約数ペア:

[(1, 19976886), (2, 9988443), (3, 6658962), (6, 3329481), (9, 2219654), (18, 1109827), (1021, 19566), (1087, 18378), (2042, 9783), (2174, 9189), (3063, 6522), (3261, 6126)]