18629217

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{11311}}^1$

素因数の和:11381

約数の個数: 16

約数和(自身を含む): 28053760

約数和(自身を除く): 9424543

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 11311, 33933, 101799, 305397, 689971, 2069913, 6209739, 18629217]

約数ペア:

[(1, 18629217), (3, 6209739), (9, 2069913), (27, 689971), (61, 305397), (183, 101799), (549, 33933), (1647, 11311)]