19092620

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1213}}^1$

素因数の和:2009

約数の個数: 24

約数和(自身を含む): 40178544

約数和(自身を除く): 21085924

約数列:

[1, 2, 4, 5, 10, 20, 787, 1213, 1574, 2426, 3148, 3935, 4852, 6065, 7870, 12130, 15740, 24260, 954631, 1909262, 3818524, 4773155, 9546310, 19092620]

約数ペア:

[(1, 19092620), (2, 9546310), (4, 4773155), (5, 3818524), (10, 1909262), (20, 954631), (787, 24260), (1213, 15740), (1574, 12130), (2426, 7870), (3148, 6065), (3935, 4852)]