19715829

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6301}}^1$

素因数の和:6460

約数の個数: 16

約数和(自身を含む): 30249600

約数和(自身を除く): 10533771

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 6301, 18903, 44107, 132321, 938849, 2816547, 6571943, 19715829]

約数ペア:

[(1, 19715829), (3, 6571943), (7, 2816547), (21, 938849), (149, 132321), (447, 44107), (1043, 18903), (3129, 6301)]