2019465590

素因数分解:

$2^1\times 5^1\times {\mathrm{8999}}^1\times {\mathrm{22441}}^1$

素因数の和:31447

約数の個数: 16

約数和(自身を含む): 3635604000

約数和(自身を除く): 1616138410

約数列:

[1, 2, 5, 10, 8999, 17998, 22441, 44882, 44995, 89990, 112205, 224410, 201946559, 403893118, 1009732795, 2019465590]

約数ペア:

[(1, 2019465590), (2, 1009732795), (5, 403893118), (10, 201946559), (8999, 224410), (17998, 112205), (22441, 89990), (44882, 44995)]