28810118

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1949}}^1$

素因数の和:2359

約数の個数: 16

約数和(自身を含む): 45630000

約数和(自身を除く): 16819882

約数列:

[1, 2, 19, 38, 389, 778, 1949, 3898, 7391, 14782, 37031, 74062, 758161, 1516322, 14405059, 28810118]

約数ペア:

[(1, 28810118), (2, 14405059), (19, 1516322), (38, 758161), (389, 74062), (778, 37031), (1949, 14782), (3898, 7391)]