18823653

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 27885312

約数和(自身を除く): 9061659

約数列:

[1, 3, 9, 83, 113, 223, 249, 339, 669, 747, 1017, 2007, 9379, 18509, 25199, 28137, 55527, 75597, 84411, 166581, 226791, 2091517, 6274551, 18823653]

約数ペア:

[(1, 18823653), (3, 6274551), (9, 2091517), (83, 226791), (113, 166581), (223, 84411), (249, 75597), (339, 55527), (669, 28137), (747, 25199), (1017, 18509), (2007, 9379)]