18640146

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1279}}^1$

素因数の和:1638

約数の個数: 32

約数和(自身を含む): 42762240

約数和(自身を除く): 24122094

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 347, 694, 1041, 1279, 2082, 2429, 2558, 3837, 4858, 7287, 7674, 8953, 14574, 17906, 26859, 53718, 443813, 887626, 1331439, 2662878, 3106691, 6213382, 9320073, 18640146]

約数ペア:

[(1, 18640146), (2, 9320073), (3, 6213382), (6, 3106691), (7, 2662878), (14, 1331439), (21, 887626), (42, 443813), (347, 53718), (694, 26859), (1041, 17906), (1279, 14574), (2082, 8953), (2429, 7674), (2558, 7287), (3837, 4858)]