18681135

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2633}}^1$

素因数の和:2695

約数の個数: 32

約数和(自身を含む): 33378048

約数和(自身を除く): 14696913

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 2633, 7095, 7899, 13165, 28963, 39495, 86889, 113219, 144815, 339657, 434445, 566095, 1245409, 1698285, 3736227, 6227045, 18681135]

約数ペア:

[(1, 18681135), (3, 6227045), (5, 3736227), (11, 1698285), (15, 1245409), (33, 566095), (43, 434445), (55, 339657), (129, 144815), (165, 113219), (215, 86889), (473, 39495), (645, 28963), (1419, 13165), (2365, 7899), (2633, 7095)]