18900376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{541}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 38828880

約数和(自身を除く): 19928504

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 397, 541, 794, 1082, 1588, 2164, 3176, 4328, 4367, 5951, 8734, 11902, 17468, 23804, 34936, 47608, 214777, 429554, 859108, 1718216, 2362547, 4725094, 9450188, 18900376]

約数ペア:

[(1, 18900376), (2, 9450188), (4, 4725094), (8, 2362547), (11, 1718216), (22, 859108), (44, 429554), (88, 214777), (397, 47608), (541, 34936), (794, 23804), (1082, 17468), (1588, 11902), (2164, 8734), (3176, 5951), (4328, 4367)]