18813154

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:478

約数の個数: 24

約数和(自身を含む): 30284928

約数和(自身を除く): 11471774

約数列:

[1, 2, 19, 38, 71, 142, 361, 367, 722, 734, 1349, 2698, 6973, 13946, 25631, 26057, 51262, 52114, 132487, 264974, 495083, 990166, 9406577, 18813154]

約数ペア:

[(1, 18813154), (2, 9406577), (19, 990166), (38, 495083), (71, 264974), (142, 132487), (361, 52114), (367, 51262), (722, 26057), (734, 25631), (1349, 13946), (2698, 6973)]