19982530

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46471}}^1$

素因数の和:46521

約数の個数: 16

約数和(自身を含む): 36805824

約数和(自身を除く): 16823294

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 46471, 92942, 232355, 464710, 1998253, 3996506, 9991265, 19982530]

約数ペア:

[(1, 19982530), (2, 9991265), (5, 3996506), (10, 1998253), (43, 464710), (86, 232355), (215, 92942), (430, 46471)]