18272547

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:445

約数の個数: 40

約数和(自身を含む): 29736960

約数和(自身を除く): 11464413

約数列:

[1, 3, 9, 19, 27, 31, 57, 81, 93, 171, 279, 383, 513, 589, 837, 1149, 1539, 1767, 2511, 3447, 5301, 7277, 10341, 11873, 15903, 21831, 31023, 35619, 47709, 65493, 106857, 196479, 225587, 320571, 589437, 676761, 961713, 2030283, 6090849, 18272547]

約数ペア:

[(1, 18272547), (3, 6090849), (9, 2030283), (19, 961713), (27, 676761), (31, 589437), (57, 320571), (81, 225587), (93, 196479), (171, 106857), (279, 65493), (383, 47709), (513, 35619), (589, 31023), (837, 21831), (1149, 15903), (1539, 11873), (1767, 10341), (2511, 7277), (3447, 5301)]