22499990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1499}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 43200000

約数和(自身を除く): 20700010

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 790, 1499, 1501, 2998, 3002, 7495, 7505, 14990, 15010, 28481, 56962, 118421, 142405, 236842, 284810, 592105, 1184210, 2249999, 4499998, 11249995, 22499990]

約数ペア:

[(1, 22499990), (2, 11249995), (5, 4499998), (10, 2249999), (19, 1184210), (38, 592105), (79, 284810), (95, 236842), (158, 142405), (190, 118421), (395, 56962), (790, 28481), (1499, 15010), (1501, 14990), (2998, 7505), (3002, 7495)]