19704885

素因数分解:

$3^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{2143}}^1$

素因数の和:2764

約数の個数: 16

約数和(自身を含む): 31593984

約数和(自身を除く): 11889099

約数列:

[1, 3, 5, 15, 613, 1839, 2143, 3065, 6429, 9195, 10715, 32145, 1313659, 3940977, 6568295, 19704885]

約数ペア:

[(1, 19704885), (3, 6568295), (5, 3940977), (15, 1313659), (613, 32145), (1839, 10715), (2143, 9195), (3065, 6429)]