18987702

素因数分解:

$2^1\times 3^1\times {\mathrm{641}}^1\times {\mathrm{4937}}^1$

素因数の和:5583

約数の個数: 16

約数和(自身を含む): 38042352

約数和(自身を除く): 19054650

約数列:

[1, 2, 3, 6, 641, 1282, 1923, 3846, 4937, 9874, 14811, 29622, 3164617, 6329234, 9493851, 18987702]

約数ペア:

[(1, 18987702), (2, 9493851), (3, 6329234), (6, 3164617), (641, 29622), (1282, 14811), (1923, 9874), (3846, 4937)]