18947604

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{9343}}^1$

素因数の和:9376

約数の個数: 36

約数和(自身を含む): 47878656

約数和(自身を除く): 28931052

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 9343, 18686, 28029, 37372, 56058, 112116, 121459, 242918, 364377, 485836, 728754, 1457508, 1578967, 3157934, 4736901, 6315868, 9473802, 18947604]

約数ペア:

[(1, 18947604), (2, 9473802), (3, 6315868), (4, 4736901), (6, 3157934), (12, 1578967), (13, 1457508), (26, 728754), (39, 485836), (52, 364377), (78, 242918), (156, 121459), (169, 112116), (338, 56058), (507, 37372), (676, 28029), (1014, 18686), (2028, 9343)]