18064780

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4729}}^1$

素因数の和:4929

約数の個数: 24

約数和(自身を含む): 38142720

約数和(自身を除く): 20077940

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 4729, 9458, 18916, 23645, 47290, 94580, 903239, 1806478, 3612956, 4516195, 9032390, 18064780]

約数ペア:

[(1, 18064780), (2, 9032390), (4, 4516195), (5, 3612956), (10, 1806478), (20, 903239), (191, 94580), (382, 47290), (764, 23645), (955, 18916), (1910, 9458), (3820, 4729)]