18247828

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{12637}}^1$

素因数の和:12679

約数の個数: 18

約数和(自身を含む): 33705546

約数和(自身を除く): 15457718

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 12637, 25274, 50548, 240103, 480206, 960412, 4561957, 9123914, 18247828]

約数ペア:

[(1, 18247828), (2, 9123914), (4, 4561957), (19, 960412), (38, 480206), (76, 240103), (361, 50548), (722, 25274), (1444, 12637)]