19907073

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{19927}}^1$

素因数の和:19973

約数の個数: 16

約数和(自身を含む): 30290560

約数和(自身を除く): 10383487

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 19927, 59781, 179343, 538029, 737299, 2211897, 6635691, 19907073]

約数ペア:

[(1, 19907073), (3, 6635691), (9, 2211897), (27, 737299), (37, 538029), (111, 179343), (333, 59781), (999, 19927)]