2018012390

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{803989}}^1$

素因数の和:804247

約数の個数: 16

約数和(自身を含む): 3646898640

約数和(自身を除く): 1628886250

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 803989, 1607978, 4019945, 8039890, 201801239, 403602478, 1009006195, 2018012390]

約数ペア:

[(1, 2018012390), (2, 1009006195), (5, 403602478), (10, 201801239), (251, 8039890), (502, 4019945), (1255, 1607978), (2510, 803989)]