18743809

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5081}}^1$

素因数の和:5136

約数の個数: 16

約数和(自身を含む): 23417856

約数和(自身を除く): 4674047

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 5081, 35567, 86377, 157511, 604639, 1102577, 2677687, 18743809]

約数ペア:

[(1, 18743809), (7, 2677687), (17, 1102577), (31, 604639), (119, 157511), (217, 86377), (527, 35567), (3689, 5081)]