18342609

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{787}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 25985088

約数和(自身を除く): 7642479

約数列:

[1, 3, 17, 51, 457, 787, 1371, 2361, 7769, 13379, 23307, 40137, 359659, 1078977, 6114203, 18342609]

約数ペア:

[(1, 18342609), (3, 6114203), (17, 1078977), (51, 359659), (457, 40137), (787, 23307), (1371, 13379), (2361, 7769)]