18831376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69233}}^1$

素因数の和:69258

約数の個数: 20

約数和(自身を含む): 38632572

約数和(自身を除く): 19801196

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69233, 138466, 276932, 553864, 1107728, 1176961, 2353922, 4707844, 9415688, 18831376]

約数ペア:

[(1, 18831376), (2, 9415688), (4, 4707844), (8, 2353922), (16, 1176961), (17, 1107728), (34, 553864), (68, 276932), (136, 138466), (272, 69233)]