19998645

素因数分解:

$3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{3037}}^1$

素因数の和:3484

約数の個数: 16

約数和(自身を含む): 32081280

約数和(自身を除く): 12082635

約数列:

[1, 3, 5, 15, 439, 1317, 2195, 3037, 6585, 9111, 15185, 45555, 1333243, 3999729, 6666215, 19998645]

約数ペア:

[(1, 19998645), (3, 6666215), (5, 3999729), (15, 1333243), (439, 45555), (1317, 15185), (2195, 9111), (3037, 6585)]