19815714

素因数分解:

$2^1\times 3^2\times {\mathrm{521}}^1\times {\mathrm{2113}}^1$

素因数の和:2642

約数の個数: 24

約数和(自身を含む): 43036812

約数和(自身を除く): 23221098

約数列:

[1, 2, 3, 6, 9, 18, 521, 1042, 1563, 2113, 3126, 4226, 4689, 6339, 9378, 12678, 19017, 38034, 1100873, 2201746, 3302619, 6605238, 9907857, 19815714]

約数ペア:

[(1, 19815714), (2, 9907857), (3, 6605238), (6, 3302619), (9, 2201746), (18, 1100873), (521, 38034), (1042, 19017), (1563, 12678), (2113, 9378), (3126, 6339), (4226, 4689)]