18647997

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{6899}}^1$

素因数の和:6972

約数の個数: 16

約数和(自身を含む): 26827200

約数和(自身を除く): 8179203

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 6899, 20697, 117283, 351849, 365647, 1096941, 6215999, 18647997]

約数ペア:

[(1, 18647997), (3, 6215999), (17, 1096941), (51, 365647), (53, 351849), (159, 117283), (901, 20697), (2703, 6899)]