18857458

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:234

約数の個数: 24

約数和(自身を含む): 29773440

約数和(自身を除く): 10915982

約数列:

[1, 2, 41, 71, 79, 82, 142, 158, 1681, 2911, 3239, 3362, 5609, 5822, 6478, 11218, 119351, 132799, 229969, 238702, 265598, 459938, 9428729, 18857458]

約数ペア:

[(1, 18857458), (2, 9428729), (41, 459938), (71, 265598), (79, 238702), (82, 229969), (142, 132799), (158, 119351), (1681, 11218), (2911, 6478), (3239, 5822), (3362, 5609)]