19825057

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:410

約数の個数: 20

約数和(自身を含む): 24200640

約数和(自身を除く): 4375583

約数列:

[1, 7, 23, 49, 161, 343, 359, 1127, 2401, 2513, 7889, 8257, 17591, 55223, 57799, 123137, 404593, 861959, 2832151, 19825057]

約数ペア:

[(1, 19825057), (7, 2832151), (23, 861959), (49, 404593), (161, 123137), (343, 57799), (359, 55223), (1127, 17591), (2401, 8257), (2513, 7889)]