18717136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68813}}^1$

素因数の和:68838

約数の個数: 20

約数和(自身を含む): 38398212

約数和(自身を除く): 19681076

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68813, 137626, 275252, 550504, 1101008, 1169821, 2339642, 4679284, 9358568, 18717136]

約数ペア:

[(1, 18717136), (2, 9358568), (4, 4679284), (8, 2339642), (16, 1169821), (17, 1101008), (34, 550504), (68, 275252), (136, 137626), (272, 68813)]