18758584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{180371}}^1$

素因数の和:180390

約数の個数: 16

約数和(自身を含む): 37878120

約数和(自身を除く): 19119536

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 180371, 360742, 721484, 1442968, 2344823, 4689646, 9379292, 18758584]

約数ペア:

[(1, 18758584), (2, 9379292), (4, 4689646), (8, 2344823), (13, 1442968), (26, 721484), (52, 360742), (104, 180371)]