18972136

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139501}}^1$

素因数の和:139524

約数の個数: 16

約数和(自身を含む): 37665540

約数和(自身を除く): 18693404

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139501, 279002, 558004, 1116008, 2371517, 4743034, 9486068, 18972136]

約数ペア:

[(1, 18972136), (2, 9486068), (4, 4743034), (8, 2371517), (17, 1116008), (34, 558004), (68, 279002), (136, 139501)]