18366291

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{21943}}^1$

素因数の和:21983

約数の個数: 16

約数和(自身を含む): 28088320

約数和(自身を除く): 9722029

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 21943, 65829, 197487, 592461, 680233, 2040699, 6122097, 18366291]

約数ペア:

[(1, 18366291), (3, 6122097), (9, 2040699), (27, 680233), (31, 592461), (93, 197487), (279, 65829), (837, 21943)]