18268376

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1607}}^1$

素因数の和:1656

約数の個数: 48

約数和(自身を含む): 41245200

約数和(自身を除く): 22976824

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 232, 392, 406, 812, 1421, 1607, 1624, 2842, 3214, 5684, 6428, 11249, 11368, 12856, 22498, 44996, 46603, 78743, 89992, 93206, 157486, 186412, 314972, 326221, 372824, 629944, 652442, 1304884, 2283547, 2609768, 4567094, 9134188, 18268376]

約数ペア:

[(1, 18268376), (2, 9134188), (4, 4567094), (7, 2609768), (8, 2283547), (14, 1304884), (28, 652442), (29, 629944), (49, 372824), (56, 326221), (58, 314972), (98, 186412), (116, 157486), (196, 93206), (203, 89992), (232, 78743), (392, 46603), (406, 44996), (812, 22498), (1421, 12856), (1607, 11368), (1624, 11249), (2842, 6428), (3214, 5684)]