19983770

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3167}}^1$

素因数の和:3805

約数の個数: 16

約数和(自身を含む): 36039168

約数和(自身を除く): 16055398

約数列:

[1, 2, 5, 10, 631, 1262, 3155, 3167, 6310, 6334, 15835, 31670, 1998377, 3996754, 9991885, 19983770]

約数ペア:

[(1, 19983770), (2, 9991885), (5, 3996754), (10, 1998377), (631, 31670), (1262, 15835), (3155, 6334), (3167, 6310)]