189218020

素因数分解:

$2^2\times 5^1\times {\mathrm{9460901}}^1$

素因数の和:9460910

約数の個数: 12

約数和(自身を含む): 397357884

約数和(自身を除く): 208139864

約数列:

[1, 2, 4, 5, 10, 20, 9460901, 18921802, 37843604, 47304505, 94609010, 189218020]

約数ペア:

[(1, 189218020), (2, 94609010), (4, 47304505), (5, 37843604), (10, 18921802), (20, 9460901)]