18531526

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:640

約数の個数: 24

約数和(自身を含む): 30436560

約数和(自身を除く): 11905034

約数列:

[1, 2, 13, 26, 109, 169, 218, 338, 503, 1006, 1417, 2834, 6539, 13078, 18421, 36842, 54827, 85007, 109654, 170014, 712751, 1425502, 9265763, 18531526]

約数ペア:

[(1, 18531526), (2, 9265763), (13, 1425502), (26, 712751), (109, 170014), (169, 109654), (218, 85007), (338, 54827), (503, 36842), (1006, 18421), (1417, 13078), (2834, 6539)]