19082320

素因数分解:

$2^4\times 5^1\times {\mathrm{238529}}^1$

素因数の和:238542

約数の個数: 20

約数和(自身を含む): 44366580

約数和(自身を除く): 25284260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238529, 477058, 954116, 1192645, 1908232, 2385290, 3816464, 4770580, 9541160, 19082320]

約数ペア:

[(1, 19082320), (2, 9541160), (4, 4770580), (5, 3816464), (8, 2385290), (10, 1908232), (16, 1192645), (20, 954116), (40, 477058), (80, 238529)]