18238807

素因数分解:

${\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 12

約数和(自身を含む): 19686240

約数和(自身を除く): 1447433

約数列:

[1, 17, 67, 239, 1139, 4063, 4489, 16013, 76313, 272221, 1072871, 18238807]

約数ペア:

[(1, 18238807), (17, 1072871), (67, 272221), (239, 76313), (1139, 16013), (4063, 4489)]