19803079

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 22083840

約数和(自身を除く): 2280761

約数列:

[1, 17, 31, 53, 527, 709, 901, 1643, 12053, 21979, 27931, 37577, 373643, 638809, 1164887, 19803079]

約数ペア:

[(1, 19803079), (17, 1164887), (31, 638809), (53, 373643), (527, 37577), (709, 27931), (901, 21979), (1643, 12053)]