19747231

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1093}}^1$

素因数の和:1218

約数の個数: 16

約数和(自身を含む): 23630400

約数和(自身を除く): 3883169

約数列:

[1, 7, 29, 89, 203, 623, 1093, 2581, 7651, 18067, 31697, 97277, 221879, 680939, 2821033, 19747231]

約数ペア:

[(1, 19747231), (7, 2821033), (29, 680939), (89, 221879), (203, 97277), (623, 31697), (1093, 18067), (2581, 7651)]