19868120

素因数分解:

$2^3\times 5^1\times {\mathrm{496703}}^1$

素因数の和:496714

約数の個数: 16

約数和(自身を含む): 44703360

約数和(自身を除く): 24835240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 496703, 993406, 1986812, 2483515, 3973624, 4967030, 9934060, 19868120]

約数ペア:

[(1, 19868120), (2, 9934060), (4, 4967030), (5, 3973624), (8, 2483515), (10, 1986812), (20, 993406), (40, 496703)]