18704205

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31973}}^1$

素因数の和:31997

約数の個数: 24

約数和(自身を含む): 34915608

約数和(自身を除く): 16211403

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 31973, 95919, 159865, 287757, 415649, 479595, 1246947, 1438785, 2078245, 3740841, 6234735, 18704205]

約数ペア:

[(1, 18704205), (3, 6234735), (5, 3740841), (9, 2078245), (13, 1438785), (15, 1246947), (39, 479595), (45, 415649), (65, 287757), (117, 159865), (195, 95919), (585, 31973)]