18639896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{211817}}^1$

素因数の和:211834

約数の個数: 16

約数和(自身を含む): 38127240

約数和(自身を除く): 19487344

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 211817, 423634, 847268, 1694536, 2329987, 4659974, 9319948, 18639896]

約数ペア:

[(1, 18639896), (2, 9319948), (4, 4659974), (8, 2329987), (11, 1694536), (22, 847268), (44, 423634), (88, 211817)]