19839688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1721}}^1$

素因数の和:1869

約数の個数: 32

約数和(自身を含む): 40914720

約数和(自身を除く): 21075032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 131, 262, 524, 1048, 1441, 1721, 2882, 3442, 5764, 6884, 11528, 13768, 18931, 37862, 75724, 151448, 225451, 450902, 901804, 1803608, 2479961, 4959922, 9919844, 19839688]

約数ペア:

[(1, 19839688), (2, 9919844), (4, 4959922), (8, 2479961), (11, 1803608), (22, 901804), (44, 450902), (88, 225451), (131, 151448), (262, 75724), (524, 37862), (1048, 18931), (1441, 13768), (1721, 11528), (2882, 6884), (3442, 5764)]