18498980

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1931}}^1$

素因数の和:2419

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 20450140

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 1931, 2395, 3862, 4790, 7724, 9580, 9655, 19310, 38620, 924949, 1849898, 3699796, 4624745, 9249490, 18498980]

約数ペア:

[(1, 18498980), (2, 9249490), (4, 4624745), (5, 3699796), (10, 1849898), (20, 924949), (479, 38620), (958, 19310), (1916, 9655), (1931, 9580), (2395, 7724), (3862, 4790)]