19954455

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{57839}}^1$

素因数の和:57870

約数の個数: 16

約数和(自身を含む): 33315840

約数和(自身を除く): 13361385

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 57839, 173517, 289195, 867585, 1330297, 3990891, 6651485, 19954455]

約数ペア:

[(1, 19954455), (3, 6651485), (5, 3990891), (15, 1330297), (23, 867585), (69, 289195), (115, 173517), (345, 57839)]