18745660

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4129}}^1$

素因数の和:4365

約数の個数: 24

約数和(自身を含む): 39548880

約数和(自身を除く): 20803220

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4129, 4540, 8258, 16516, 20645, 41290, 82580, 937283, 1874566, 3749132, 4686415, 9372830, 18745660]

約数ペア:

[(1, 18745660), (2, 9372830), (4, 4686415), (5, 3749132), (10, 1874566), (20, 937283), (227, 82580), (454, 41290), (908, 20645), (1135, 16516), (2270, 8258), (4129, 4540)]