18235945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3083}}^1$

素因数の和:3121

約数の個数: 24

約数和(自身を含む): 27089856

約数和(自身を除く): 8853911

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 3083, 5915, 15415, 21581, 40079, 107905, 200395, 280553, 521027, 1402765, 2605135, 3647189, 18235945]

約数ペア:

[(1, 18235945), (5, 3647189), (7, 2605135), (13, 1402765), (35, 521027), (65, 280553), (91, 200395), (169, 107905), (455, 40079), (845, 21581), (1183, 15415), (3083, 5915)]