18672213

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{2063}}^1$

素因数の和:2504

約数の個数: 16

約数和(自身を含む): 28532736

約数和(自身を除く): 9860523

約数列:

[1, 3, 7, 21, 431, 1293, 2063, 3017, 6189, 9051, 14441, 43323, 889153, 2667459, 6224071, 18672213]

約数ペア:

[(1, 18672213), (3, 6224071), (7, 2667459), (21, 889153), (431, 43323), (1293, 14441), (2063, 9051), (3017, 6189)]