19155140

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8951}}^1$

素因数の和:9067

約数の個数: 24

約数和(自身を含む): 40606272

約数和(自身を除く): 21451132

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8951, 17902, 35804, 44755, 89510, 179020, 957757, 1915514, 3831028, 4788785, 9577570, 19155140]

約数ペア:

[(1, 19155140), (2, 9577570), (4, 4788785), (5, 3831028), (10, 1915514), (20, 957757), (107, 179020), (214, 89510), (428, 44755), (535, 35804), (1070, 17902), (2140, 8951)]