188217620

素因数分解:

$2^2\times 5^1\times {\mathrm{9410881}}^1$

素因数の和:9410890

約数の個数: 12

約数和(自身を含む): 395257044

約数和(自身を除く): 207039424

約数列:

[1, 2, 4, 5, 10, 20, 9410881, 18821762, 37643524, 47054405, 94108810, 188217620]

約数ペア:

[(1, 188217620), (2, 94108810), (4, 47054405), (5, 37643524), (10, 18821762), (20, 9410881)]