18117764

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20873}}^1$

素因数の和:20915

約数の個数: 24

約数和(自身を含む): 37406208

約数和(自身を除く): 19288444

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 20873, 41746, 83492, 146111, 292222, 584444, 647063, 1294126, 2588252, 4529441, 9058882, 18117764]

約数ペア:

[(1, 18117764), (2, 9058882), (4, 4529441), (7, 2588252), (14, 1294126), (28, 647063), (31, 584444), (62, 292222), (124, 146111), (217, 83492), (434, 41746), (868, 20873)]