18702918

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:589

約数の個数: 48

約数和(自身を含む): 43950816

約数和(自身を除く): 25247898

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 257, 311, 514, 622, 771, 933, 1542, 1866, 2313, 2799, 3341, 4043, 4626, 5598, 6682, 8086, 10023, 12129, 20046, 24258, 30069, 36387, 60138, 72774, 79927, 159854, 239781, 479562, 719343, 1039051, 1438686, 2078102, 3117153, 6234306, 9351459, 18702918]

約数ペア:

[(1, 18702918), (2, 9351459), (3, 6234306), (6, 3117153), (9, 2078102), (13, 1438686), (18, 1039051), (26, 719343), (39, 479562), (78, 239781), (117, 159854), (234, 79927), (257, 72774), (311, 60138), (514, 36387), (622, 30069), (771, 24258), (933, 20046), (1542, 12129), (1866, 10023), (2313, 8086), (2799, 6682), (3341, 5598), (4043, 4626)]