19925884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2371}}^1$

素因数の和:2577

約数の個数: 24

約数和(自身を含む): 38255616

約数和(自身を除く): 18329732

約数列:

[1, 2, 4, 11, 22, 44, 191, 382, 764, 2101, 2371, 4202, 4742, 8404, 9484, 26081, 52162, 104324, 452861, 905722, 1811444, 4981471, 9962942, 19925884]

約数ペア:

[(1, 19925884), (2, 9962942), (4, 4981471), (11, 1811444), (22, 905722), (44, 452861), (191, 104324), (382, 52162), (764, 26081), (2101, 9484), (2371, 8404), (4202, 4742)]