1878883990

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{448421}}^1$

素因数の和:448847

約数の個数: 16

約数和(自身を含む): 3390070320

約数和(自身を除く): 1511186330

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 448421, 896842, 2242105, 4484210, 187888399, 375776798, 939441995, 1878883990]

約数ペア:

[(1, 1878883990), (2, 939441995), (5, 375776798), (10, 187888399), (419, 4484210), (838, 2242105), (2095, 896842), (4190, 448421)]