18822466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 31627008

約数和(自身を除く): 12804542

約数列:

[1, 2, 13, 26, 47, 73, 94, 146, 211, 422, 611, 949, 1222, 1898, 2743, 3431, 5486, 6862, 9917, 15403, 19834, 30806, 44603, 89206, 128921, 200239, 257842, 400478, 723941, 1447882, 9411233, 18822466]

約数ペア:

[(1, 18822466), (2, 9411233), (13, 1447882), (26, 723941), (47, 400478), (73, 257842), (94, 200239), (146, 128921), (211, 89206), (422, 44603), (611, 30806), (949, 19834), (1222, 15403), (1898, 9917), (2743, 6862), (3431, 5486)]