18832540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12899}}^1$

素因数の和:12981

約数の個数: 24

約数和(自身を含む): 40093200

約数和(自身を除く): 21260660

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 12899, 25798, 51596, 64495, 128990, 257980, 941627, 1883254, 3766508, 4708135, 9416270, 18832540]

約数ペア:

[(1, 18832540), (2, 9416270), (4, 4708135), (5, 3766508), (10, 1883254), (20, 941627), (73, 257980), (146, 128990), (292, 64495), (365, 51596), (730, 25798), (1460, 12899)]