18860960

素因数分解:

$2^5\times 5^1\times {\mathrm{117881}}^1$

素因数の和:117896

約数の個数: 24

約数和(自身を含む): 44559396

約数和(自身を除く): 25698436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 117881, 235762, 471524, 589405, 943048, 1178810, 1886096, 2357620, 3772192, 4715240, 9430480, 18860960]

約数ペア:

[(1, 18860960), (2, 9430480), (4, 4715240), (5, 3772192), (8, 2357620), (10, 1886096), (16, 1178810), (20, 943048), (32, 589405), (40, 471524), (80, 235762), (160, 117881)]