18430940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83777}}^1$

素因数の和:83797

約数の個数: 24

約数和(自身を含む): 42224112

約数和(自身を除く): 23793172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 83777, 167554, 335108, 418885, 837770, 921547, 1675540, 1843094, 3686188, 4607735, 9215470, 18430940]

約数ペア:

[(1, 18430940), (2, 9215470), (4, 4607735), (5, 3686188), (10, 1843094), (11, 1675540), (20, 921547), (22, 837770), (44, 418885), (55, 335108), (110, 167554), (220, 83777)]