18857553

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 29877120

約数和(自身を除く): 11019567

約数列:

[1, 3, 11, 13, 33, 39, 113, 143, 339, 389, 429, 1167, 1243, 1469, 3729, 4279, 4407, 5057, 12837, 15171, 16159, 43957, 48477, 55627, 131871, 166881, 483527, 571441, 1450581, 1714323, 6285851, 18857553]

約数ペア:

[(1, 18857553), (3, 6285851), (11, 1714323), (13, 1450581), (33, 571441), (39, 483527), (113, 166881), (143, 131871), (339, 55627), (389, 48477), (429, 43957), (1167, 16159), (1243, 15171), (1469, 12837), (3729, 5057), (4279, 4407)]