19091120

素因数分解:

$2^4\times 5^1\times {\mathrm{238639}}^1$

素因数の和:238652

約数の個数: 20

約数和(自身を含む): 44387040

約数和(自身を除く): 25295920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238639, 477278, 954556, 1193195, 1909112, 2386390, 3818224, 4772780, 9545560, 19091120]

約数ペア:

[(1, 19091120), (2, 9545560), (4, 4772780), (5, 3818224), (8, 2386390), (10, 1909112), (16, 1193195), (20, 954556), (40, 477278), (80, 238639)]