18999927

素因数分解:

$3^6\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:474

約数の個数: 28

約数和(自身を含む): 28986360

約数和(自身を除く): 9986433

約数列:

[1, 3, 9, 27, 67, 81, 201, 243, 389, 603, 729, 1167, 1809, 3501, 5427, 10503, 16281, 26063, 31509, 48843, 78189, 94527, 234567, 283581, 703701, 2111103, 6333309, 18999927]

約数ペア:

[(1, 18999927), (3, 6333309), (9, 2111103), (27, 703701), (67, 283581), (81, 234567), (201, 94527), (243, 78189), (389, 48843), (603, 31509), (729, 26063), (1167, 16281), (1809, 10503), (3501, 5427)]