18127191

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 24624000

約数和(自身を除く): 6496809

約数列:

[1, 3, 107, 149, 321, 379, 447, 1137, 15943, 40553, 47829, 56471, 121659, 169413, 6042397, 18127191]

約数ペア:

[(1, 18127191), (3, 6042397), (107, 169413), (149, 121659), (321, 56471), (379, 47829), (447, 40553), (1137, 15943)]