18899975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{18439}}^1$

素因数の和:18490

約数の個数: 12

約数和(自身を含む): 24008880

約数和(自身を除く): 5108905

約数列:

[1, 5, 25, 41, 205, 1025, 18439, 92195, 460975, 755999, 3779995, 18899975]

約数ペア:

[(1, 18899975), (5, 3779995), (25, 755999), (41, 460975), (205, 92195), (1025, 18439)]