19158040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43541}}^1$

素因数の和:43563

約数の個数: 32

約数和(自身を含む): 47025360

約数和(自身を除く): 27867320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43541, 87082, 174164, 217705, 348328, 435410, 478951, 870820, 957902, 1741640, 1915804, 2394755, 3831608, 4789510, 9579020, 19158040]

約数ペア:

[(1, 19158040), (2, 9579020), (4, 4789510), (5, 3831608), (8, 2394755), (10, 1915804), (11, 1741640), (20, 957902), (22, 870820), (40, 478951), (44, 435410), (55, 348328), (88, 217705), (110, 174164), (220, 87082), (440, 43541)]