18465993

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3221}}^1$

素因数の和:3254

約数の個数: 36

約数和(自身を含む): 33425028

約数和(自身を除く): 14959035

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 3221, 5733, 9663, 22547, 28989, 41873, 67641, 125619, 157829, 202923, 293111, 376857, 473487, 879333, 1420461, 2051777, 2637999, 6155331, 18465993]

約数ペア:

[(1, 18465993), (3, 6155331), (7, 2637999), (9, 2051777), (13, 1420461), (21, 879333), (39, 473487), (49, 376857), (63, 293111), (91, 202923), (117, 157829), (147, 125619), (273, 67641), (441, 41873), (637, 28989), (819, 22547), (1911, 9663), (3221, 5733)]