19329621

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 26308800

約数和(自身を除く): 6979179

約数列:

[1, 3, 83, 149, 249, 447, 521, 1563, 12367, 37101, 43243, 77629, 129729, 232887, 6443207, 19329621]

約数ペア:

[(1, 19329621), (3, 6443207), (83, 232887), (149, 129729), (249, 77629), (447, 43243), (521, 37101), (1563, 12367)]