18100408

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 35712000

約数和(自身を除く): 17611592

約数列:

[1, 2, 4, 8, 29, 58, 61, 116, 122, 232, 244, 488, 1279, 1769, 2558, 3538, 5116, 7076, 10232, 14152, 37091, 74182, 78019, 148364, 156038, 296728, 312076, 624152, 2262551, 4525102, 9050204, 18100408]

約数ペア:

[(1, 18100408), (2, 9050204), (4, 4525102), (8, 2262551), (29, 624152), (58, 312076), (61, 296728), (116, 156038), (122, 148364), (232, 78019), (244, 74182), (488, 37091), (1279, 14152), (1769, 10232), (2558, 7076), (3538, 5116)]