19421787

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12011}}^1$

素因数の和:12039

約数の個数: 24

約数和(自身を含む): 32864832

約数和(自身を除く): 13443045

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12011, 36033, 84077, 132121, 252231, 396363, 588539, 924847, 1765617, 2774541, 6473929, 19421787]

約数ペア:

[(1, 19421787), (3, 6473929), (7, 2774541), (11, 1765617), (21, 924847), (33, 588539), (49, 396363), (77, 252231), (147, 132121), (231, 84077), (539, 36033), (1617, 12011)]