18308570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{311}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 39132288

約数和(自身を除く): 20823718

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 311, 406, 622, 841, 1015, 1555, 1682, 2030, 2177, 3110, 4205, 4354, 5887, 8410, 9019, 10885, 11774, 18038, 21770, 29435, 45095, 58870, 63133, 90190, 126266, 261551, 315665, 523102, 631330, 1307755, 1830857, 2615510, 3661714, 9154285, 18308570]

約数ペア:

[(1, 18308570), (2, 9154285), (5, 3661714), (7, 2615510), (10, 1830857), (14, 1307755), (29, 631330), (35, 523102), (58, 315665), (70, 261551), (145, 126266), (203, 90190), (290, 63133), (311, 58870), (406, 45095), (622, 29435), (841, 21770), (1015, 18038), (1555, 11774), (1682, 10885), (2030, 9019), (2177, 8410), (3110, 5887), (4205, 4354)]