17721914

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1171}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 32403456

約数和(自身を除く): 14681542

約数列:

[1, 2, 7, 14, 23, 46, 47, 94, 161, 322, 329, 658, 1081, 1171, 2162, 2342, 7567, 8197, 15134, 16394, 26933, 53866, 55037, 110074, 188531, 377062, 385259, 770518, 1265851, 2531702, 8860957, 17721914]

約数ペア:

[(1, 17721914), (2, 8860957), (7, 2531702), (14, 1265851), (23, 770518), (46, 385259), (47, 377062), (94, 188531), (161, 110074), (322, 55037), (329, 53866), (658, 26933), (1081, 16394), (1171, 15134), (2162, 8197), (2342, 7567)]