19472991

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{5107}}^1$

素因数の和:5182

約数の個数: 16

約数和(自身を含む): 27460608

約数和(自身を除く): 7987617

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 5107, 15321, 158317, 209387, 474951, 628161, 6490997, 19472991]

約数ペア:

[(1, 19472991), (3, 6490997), (31, 628161), (41, 474951), (93, 209387), (123, 158317), (1271, 15321), (3813, 5107)]