18066256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86857}}^1$

素因数の和:86878

約数の個数: 20

約数和(自身を含む): 37696372

約数和(自身を除く): 19630116

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86857, 173714, 347428, 694856, 1129141, 1389712, 2258282, 4516564, 9033128, 18066256]

約数ペア:

[(1, 18066256), (2, 9033128), (4, 4516564), (8, 2258282), (13, 1389712), (16, 1129141), (26, 694856), (52, 347428), (104, 173714), (208, 86857)]