18996530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6619}}^1$

素因数の和:6674

約数の個数: 32

約数和(自身を含む): 40037760

約数和(自身を除く): 21041230

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 6619, 13238, 33095, 46333, 66190, 92666, 231665, 271379, 463330, 542758, 1356895, 1899653, 2713790, 3799306, 9498265, 18996530]

約数ペア:

[(1, 18996530), (2, 9498265), (5, 3799306), (7, 2713790), (10, 1899653), (14, 1356895), (35, 542758), (41, 463330), (70, 271379), (82, 231665), (205, 92666), (287, 66190), (410, 46333), (574, 33095), (1435, 13238), (2870, 6619)]