19148020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12119}}^1$

素因数の和:12207

約数の個数: 24

約数和(自身を含む): 40723200

約数和(自身を除く): 21575180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12119, 24238, 48476, 60595, 121190, 242380, 957401, 1914802, 3829604, 4787005, 9574010, 19148020]

約数ペア:

[(1, 19148020), (2, 9574010), (4, 4787005), (5, 3829604), (10, 1914802), (20, 957401), (79, 242380), (158, 121190), (316, 60595), (395, 48476), (790, 24238), (1580, 12119)]