19723527

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{10903}}^1$

素因数の和:10979

約数の個数: 16

約数和(自身を含む): 29658880

約数和(自身を除く): 9935353

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 10903, 32709, 98127, 294381, 730501, 2191503, 6574509, 19723527]

約数ペア:

[(1, 19723527), (3, 6574509), (9, 2191503), (27, 730501), (67, 294381), (201, 98127), (603, 32709), (1809, 10903)]