18886281

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{659}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 7059639

約数列:

[1, 3, 41, 123, 233, 659, 699, 1977, 9553, 27019, 28659, 81057, 153547, 460641, 6295427, 18886281]

約数ペア:

[(1, 18886281), (3, 6295427), (41, 460641), (123, 153547), (233, 81057), (659, 28659), (699, 27019), (1977, 9553)]