19439706

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 46287360

約数和(自身を除く): 26847654

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 139, 143, 163, 278, 286, 326, 417, 429, 489, 834, 858, 978, 1529, 1793, 1807, 2119, 3058, 3586, 3614, 4238, 4587, 5379, 5421, 6357, 9174, 10758, 10842, 12714, 19877, 22657, 23309, 39754, 45314, 46618, 59631, 67971, 69927, 119262, 135942, 139854, 249227, 294541, 498454, 589082, 747681, 883623, 1495362, 1767246, 3239951, 6479902, 9719853, 19439706]

約数ペア:

[(1, 19439706), (2, 9719853), (3, 6479902), (6, 3239951), (11, 1767246), (13, 1495362), (22, 883623), (26, 747681), (33, 589082), (39, 498454), (66, 294541), (78, 249227), (139, 139854), (143, 135942), (163, 119262), (278, 69927), (286, 67971), (326, 59631), (417, 46618), (429, 45314), (489, 39754), (834, 23309), (858, 22657), (978, 19877), (1529, 12714), (1793, 10842), (1807, 10758), (2119, 9174), (3058, 6357), (3586, 5421), (3614, 5379), (4238, 4587)]