19678298

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{691}}^1$

素因数の和:1213

約数の個数: 16

約数和(自身を含む): 30641760

約数和(自身を除く): 10963462

約数列:

[1, 2, 29, 58, 491, 691, 982, 1382, 14239, 20039, 28478, 40078, 339281, 678562, 9839149, 19678298]

約数ペア:

[(1, 19678298), (2, 9839149), (29, 678562), (58, 339281), (491, 40078), (691, 28478), (982, 20039), (1382, 14239)]