18996207

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{3229}}^1$

素因数の和:3322

約数の個数: 16

約数和(自身を含む): 26511840

約数和(自身を除く): 7515633

約数列:

[1, 3, 37, 53, 111, 159, 1961, 3229, 5883, 9687, 119473, 171137, 358419, 513411, 6332069, 18996207]

約数ペア:

[(1, 18996207), (3, 6332069), (37, 513411), (53, 358419), (111, 171137), (159, 119473), (1961, 9687), (3229, 5883)]