18490540

素因数分解:

$2^2\times 5^1\times {\mathrm{924527}}^1$

素因数の和:924536

約数の個数: 12

約数和(自身を含む): 38830176

約数和(自身を除く): 20339636

約数列:

[1, 2, 4, 5, 10, 20, 924527, 1849054, 3698108, 4622635, 9245270, 18490540]

約数ペア:

[(1, 18490540), (2, 9245270), (4, 4622635), (5, 3698108), (10, 1849054), (20, 924527)]