19965588

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{38693}}^1$

素因数の和:38743

約数の個数: 24

約数和(自身を含む): 47671008

約数和(自身を除く): 27705420

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 38693, 77386, 116079, 154772, 232158, 464316, 1663799, 3327598, 4991397, 6655196, 9982794, 19965588]

約数ペア:

[(1, 19965588), (2, 9982794), (3, 6655196), (4, 4991397), (6, 3327598), (12, 1663799), (43, 464316), (86, 232158), (129, 154772), (172, 116079), (258, 77386), (516, 38693)]