19664830

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47963}}^1$

素因数の和:48011

約数の個数: 16

約数和(自身を含む): 36260784

約数和(自身を除く): 16595954

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 47963, 95926, 239815, 479630, 1966483, 3932966, 9832415, 19664830]

約数ペア:

[(1, 19664830), (2, 9832415), (5, 3932966), (10, 1966483), (41, 479630), (82, 239815), (205, 95926), (410, 47963)]