1899440

素因数分解:

$2^4\times 5^1\times {\mathrm{23743}}^1$

素因数の和:23756

約数の個数: 20

約数和(自身を含む): 4416384

約数和(自身を除く): 2516944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23743, 47486, 94972, 118715, 189944, 237430, 379888, 474860, 949720, 1899440]

約数ペア:

[(1, 1899440), (2, 949720), (4, 474860), (5, 379888), (8, 237430), (10, 189944), (16, 118715), (20, 94972), (40, 47486), (80, 23743)]