19782906

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23057}}^1$

素因数の和:23086

約数の個数: 32

約数和(自身を含む): 46484928

約数和(自身を除く): 26702022

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 23057, 46114, 69171, 138342, 253627, 299741, 507254, 599482, 760881, 899223, 1521762, 1798446, 3297151, 6594302, 9891453, 19782906]

約数ペア:

[(1, 19782906), (2, 9891453), (3, 6594302), (6, 3297151), (11, 1798446), (13, 1521762), (22, 899223), (26, 760881), (33, 599482), (39, 507254), (66, 299741), (78, 253627), (143, 138342), (286, 69171), (429, 46114), (858, 23057)]