18724520

素因数分解:

$2^3\times 5^1\times {\mathrm{468113}}^1$

素因数の和:468124

約数の個数: 16

約数和(自身を含む): 42130260

約数和(自身を除く): 23405740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 468113, 936226, 1872452, 2340565, 3744904, 4681130, 9362260, 18724520]

約数ペア:

[(1, 18724520), (2, 9362260), (4, 4681130), (5, 3744904), (8, 2340565), (10, 1872452), (20, 936226), (40, 468113)]