19649480

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4591}}^1$

素因数の和:4709

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 24984760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4591, 9182, 18364, 22955, 36728, 45910, 91820, 183640, 491237, 982474, 1964948, 2456185, 3929896, 4912370, 9824740, 19649480]

約数ペア:

[(1, 19649480), (2, 9824740), (4, 4912370), (5, 3929896), (8, 2456185), (10, 1964948), (20, 982474), (40, 491237), (107, 183640), (214, 91820), (428, 45910), (535, 36728), (856, 22955), (1070, 18364), (2140, 9182), (4280, 4591)]