18185878

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{977}}^1$

素因数の和:1247

約数の個数: 16

約数和(自身を含む): 28095984

約数和(自身を除く): 9910106

約数列:

[1, 2, 41, 82, 227, 454, 977, 1954, 9307, 18614, 40057, 80114, 221779, 443558, 9092939, 18185878]

約数ペア:

[(1, 18185878), (2, 9092939), (41, 443558), (82, 221779), (227, 80114), (454, 40057), (977, 18614), (1954, 9307)]