18132772

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 38021760

約数和(自身を除く): 19888988

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 137, 163, 203, 274, 326, 406, 548, 652, 812, 959, 1141, 1918, 2282, 3836, 3973, 4564, 4727, 7946, 9454, 15892, 18908, 22331, 27811, 33089, 44662, 55622, 66178, 89324, 111244, 132356, 156317, 312634, 625268, 647599, 1295198, 2590396, 4533193, 9066386, 18132772]

約数ペア:

[(1, 18132772), (2, 9066386), (4, 4533193), (7, 2590396), (14, 1295198), (28, 647599), (29, 625268), (58, 312634), (116, 156317), (137, 132356), (163, 111244), (203, 89324), (274, 66178), (326, 55622), (406, 44662), (548, 33089), (652, 27811), (812, 22331), (959, 18908), (1141, 15892), (1918, 9454), (2282, 7946), (3836, 4727), (3973, 4564)]