18266143

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 23500800

約数和(自身を除く): 5234657

約数列:

[1, 7, 17, 29, 67, 79, 119, 203, 469, 493, 553, 1139, 1343, 1943, 2291, 3451, 5293, 7973, 9401, 13601, 16037, 33031, 37051, 38947, 89981, 153497, 231217, 272629, 629867, 1074479, 2609449, 18266143]

約数ペア:

[(1, 18266143), (7, 2609449), (17, 1074479), (29, 629867), (67, 272629), (79, 231217), (119, 153497), (203, 89981), (469, 38947), (493, 37051), (553, 33031), (1139, 16037), (1343, 13601), (1943, 9401), (2291, 7973), (3451, 5293)]