18644408840

素因数分解:

$2^3\times 5^1\times {\mathrm{466110221}}^1$

素因数の和:466110232

約数の個数: 16

約数和(自身を含む): 41949919980

約数和(自身を除く): 23305511140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 466110221, 932220442, 1864440884, 2330551105, 3728881768, 4661102210, 9322204420, 18644408840]

約数ペア:

[(1, 18644408840), (2, 9322204420), (4, 4661102210), (5, 3728881768), (8, 2330551105), (10, 1864440884), (20, 932220442), (40, 466110221)]