19957686

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1499}}^1$

素因数の和:1828

約数の個数: 32

約数和(自身を含む): 45792000

約数和(自身を除く): 25834314

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 317, 634, 951, 1499, 1902, 2219, 2998, 4438, 4497, 6657, 8994, 10493, 13314, 20986, 31479, 62958, 475183, 950366, 1425549, 2851098, 3326281, 6652562, 9978843, 19957686]

約数ペア:

[(1, 19957686), (2, 9978843), (3, 6652562), (6, 3326281), (7, 2851098), (14, 1425549), (21, 950366), (42, 475183), (317, 62958), (634, 31479), (951, 20986), (1499, 13314), (1902, 10493), (2219, 8994), (2998, 6657), (4438, 4497)]