18900518

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3581}}^1$

素因数の和:3632

約数の個数: 32

約数和(自身を含む): 36106560

約数和(自身を除く): 17206042

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 3581, 5278, 7162, 25067, 46553, 50134, 93106, 103849, 207698, 325871, 651742, 726943, 1350037, 1453886, 2700074, 9450259, 18900518]

約数ペア:

[(1, 18900518), (2, 9450259), (7, 2700074), (13, 1453886), (14, 1350037), (26, 726943), (29, 651742), (58, 325871), (91, 207698), (182, 103849), (203, 93106), (377, 50134), (406, 46553), (754, 25067), (2639, 7162), (3581, 5278)]