18413589

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 25256000

約数和(自身を除く): 6842411

約数列:

[1, 3, 43, 129, 349, 409, 1047, 1227, 15007, 17587, 45021, 52761, 142741, 428223, 6137863, 18413589]

約数ペア:

[(1, 18413589), (3, 6137863), (43, 428223), (129, 142741), (349, 52761), (409, 45021), (1047, 17587), (1227, 15007)]