18133913

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:884

約数の個数: 16

約数和(自身を含む): 21789696

約数和(自身を除く): 3655783

約数列:

[1, 7, 23, 161, 163, 691, 1141, 3749, 4837, 15893, 26243, 111251, 112633, 788431, 2590559, 18133913]

約数ペア:

[(1, 18133913), (7, 2590559), (23, 788431), (161, 112633), (163, 111251), (691, 26243), (1141, 15893), (3749, 4837)]