19299260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22441}}^1$

素因数の和:22493

約数の個数: 24

約数和(自身を含む): 41472816

約数和(自身を除く): 22173556

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22441, 44882, 89764, 112205, 224410, 448820, 964963, 1929926, 3859852, 4824815, 9649630, 19299260]

約数ペア:

[(1, 19299260), (2, 9649630), (4, 4824815), (5, 3859852), (10, 1929926), (20, 964963), (43, 448820), (86, 224410), (172, 112205), (215, 89764), (430, 44882), (860, 22441)]