18508780

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6211}}^1$

素因数の和:6369

約数の個数: 24

約数和(自身を含む): 39135600

約数和(自身を除く): 20626820

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6211, 12422, 24844, 31055, 62110, 124220, 925439, 1850878, 3701756, 4627195, 9254390, 18508780]

約数ペア:

[(1, 18508780), (2, 9254390), (4, 4627195), (5, 3701756), (10, 1850878), (20, 925439), (149, 124220), (298, 62110), (596, 31055), (745, 24844), (1490, 12422), (2980, 6211)]