18836495

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 23183040

約数和(自身を除く): 4346545

約数列:

[1, 5, 61, 151, 305, 409, 755, 2045, 9211, 24949, 46055, 61759, 124745, 308795, 3767299, 18836495]

約数ペア:

[(1, 18836495), (5, 3767299), (61, 308795), (151, 124745), (305, 61759), (409, 46055), (755, 24949), (2045, 9211)]