18023558

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 14324602

約数列:

[1, 2, 7, 14, 29, 58, 103, 203, 206, 406, 431, 721, 862, 1442, 2987, 3017, 5974, 6034, 12499, 20909, 24998, 41818, 44393, 87493, 88786, 174986, 310751, 621502, 1287397, 2574794, 9011779, 18023558]

約数ペア:

[(1, 18023558), (2, 9011779), (7, 2574794), (14, 1287397), (29, 621502), (58, 310751), (103, 174986), (203, 88786), (206, 87493), (406, 44393), (431, 41818), (721, 24998), (862, 20909), (1442, 12499), (2987, 6034), (3017, 5974)]