19402188

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{449}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 49039200

約数和(自身を除く): 29637012

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 277, 449, 554, 831, 898, 1108, 1347, 1662, 1796, 2694, 3324, 3601, 5388, 5837, 7202, 10803, 11674, 14404, 17511, 21606, 23348, 35022, 43212, 70044, 124373, 248746, 373119, 497492, 746238, 1492476, 1616849, 3233698, 4850547, 6467396, 9701094, 19402188]

約数ペア:

[(1, 19402188), (2, 9701094), (3, 6467396), (4, 4850547), (6, 3233698), (12, 1616849), (13, 1492476), (26, 746238), (39, 497492), (52, 373119), (78, 248746), (156, 124373), (277, 70044), (449, 43212), (554, 35022), (831, 23348), (898, 21606), (1108, 17511), (1347, 14404), (1662, 11674), (1796, 10803), (2694, 7202), (3324, 5837), (3601, 5388)]