19765926

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{20719}}^1$

素因数の和:20780

約数の個数: 24

約数和(自身を含む): 43636320

約数和(自身を除く): 23870394

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 20719, 41438, 62157, 124314, 186471, 372942, 1098107, 2196214, 3294321, 6588642, 9882963, 19765926]

約数ペア:

[(1, 19765926), (2, 9882963), (3, 6588642), (6, 3294321), (9, 2196214), (18, 1098107), (53, 372942), (106, 186471), (159, 124314), (318, 62157), (477, 41438), (954, 20719)]