19510881

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1327}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 29162880

約数和(自身を除く): 9651999

約数列:

[1, 3, 13, 29, 39, 87, 169, 377, 507, 1131, 1327, 3981, 4901, 14703, 17251, 38483, 51753, 115449, 224263, 500279, 672789, 1500837, 6503627, 19510881]

約数ペア:

[(1, 19510881), (3, 6503627), (13, 1500837), (29, 672789), (39, 500279), (87, 224263), (169, 115449), (377, 51753), (507, 38483), (1131, 17251), (1327, 14703), (3981, 4901)]