18680715

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18049}}^1$

素因数の和:18083

約数の個数: 24

約数和(自身を含む): 33789600

約数和(自身を除く): 15108885

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 18049, 54147, 90245, 162441, 270735, 415127, 812205, 1245381, 2075635, 3736143, 6226905, 18680715]

約数ペア:

[(1, 18680715), (3, 6226905), (5, 3736143), (9, 2075635), (15, 1245381), (23, 812205), (45, 415127), (69, 270735), (115, 162441), (207, 90245), (345, 54147), (1035, 18049)]