18668135

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:794

約数の個数: 16

約数和(自身を含む): 23040192

約数和(自身を除く): 4372057

約数列:

[1, 5, 61, 97, 305, 485, 631, 3155, 5917, 29585, 38491, 61207, 192455, 306035, 3733627, 18668135]

約数ペア:

[(1, 18668135), (5, 3733627), (61, 306035), (97, 192455), (305, 61207), (485, 38491), (631, 29585), (3155, 5917)]