19982418

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{42157}}^1$

素因数の和:42241

約数の個数: 16

約数和(自身を含む): 40471680

約数和(自身を除く): 20489262

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 42157, 84314, 126471, 252942, 3330403, 6660806, 9991209, 19982418]

約数ペア:

[(1, 19982418), (2, 9991209), (3, 6660806), (6, 3330403), (79, 252942), (158, 126471), (237, 84314), (474, 42157)]