18974782

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{3617}}^1$

素因数の和:3723

約数の個数: 16

約数和(自身を含む): 29609712

約数和(自身を除く): 10634930

約数列:

[1, 2, 43, 61, 86, 122, 2623, 3617, 5246, 7234, 155531, 220637, 311062, 441274, 9487391, 18974782]

約数ペア:

[(1, 18974782), (2, 9487391), (43, 441274), (61, 311062), (86, 220637), (122, 155531), (2623, 7234), (3617, 5246)]