18447541

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{769}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 3728459

約数列:

[1, 7, 23, 149, 161, 769, 1043, 3427, 5383, 17687, 23989, 114581, 123809, 802067, 2635363, 18447541]

約数ペア:

[(1, 18447541), (7, 2635363), (23, 802067), (149, 123809), (161, 114581), (769, 23989), (1043, 17687), (3427, 5383)]