19922120

素因数分解:

$2^3\times 5^1\times {\mathrm{498053}}^1$

素因数の和:498064

約数の個数: 16

約数和(自身を含む): 44824860

約数和(自身を除く): 24902740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 498053, 996106, 1992212, 2490265, 3984424, 4980530, 9961060, 19922120]

約数ペア:

[(1, 19922120), (2, 9961060), (4, 4980530), (5, 3984424), (8, 2490265), (10, 1992212), (20, 996106), (40, 498053)]