19474707

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{7793}}^1$

素因数の和:7827

約数の個数: 24

約数和(自身を含む): 31986576

約数和(自身を除く): 12511869

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 7793, 23379, 54551, 132481, 163653, 381857, 397443, 927367, 1145571, 2782101, 6491569, 19474707]

約数ペア:

[(1, 19474707), (3, 6491569), (7, 2782101), (17, 1145571), (21, 927367), (49, 397443), (51, 381857), (119, 163653), (147, 132481), (357, 54551), (833, 23379), (2499, 7793)]