19218590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{66271}}^1$

素因数の和:66307

約数の個数: 16

約数和(自身を含む): 35786880

約数和(自身を除く): 16568290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 66271, 132542, 331355, 662710, 1921859, 3843718, 9609295, 19218590]

約数ペア:

[(1, 19218590), (2, 9609295), (5, 3843718), (10, 1921859), (29, 662710), (58, 331355), (145, 132542), (290, 66271)]