18118935

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2939}}^1$

素因数の和:3087

約数の個数: 24

約数和(自身を含む): 31646160

約数和(自身を除く): 13527225

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 2939, 6165, 8817, 14695, 26451, 44085, 132255, 402643, 1207929, 2013215, 3623787, 6039645, 18118935]

約数ペア:

[(1, 18118935), (3, 6039645), (5, 3623787), (9, 2013215), (15, 1207929), (45, 402643), (137, 132255), (411, 44085), (685, 26451), (1233, 14695), (2055, 8817), (2939, 6165)]