18812276

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2341}}^1$

素因数の和:2400

約数の個数: 36

約数和(自身を含む): 39247236

約数和(自身を除く): 20434960

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 2341, 4018, 4682, 8036, 9364, 16387, 32774, 65548, 95981, 114709, 191962, 229418, 383924, 458836, 671867, 1343734, 2687468, 4703069, 9406138, 18812276]

約数ペア:

[(1, 18812276), (2, 9406138), (4, 4703069), (7, 2687468), (14, 1343734), (28, 671867), (41, 458836), (49, 383924), (82, 229418), (98, 191962), (164, 114709), (196, 95981), (287, 65548), (574, 32774), (1148, 16387), (2009, 9364), (2341, 8036), (4018, 4682)]