19382979

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11987}}^1$

素因数の和:12015

約数の個数: 24

約数和(自身を含む): 32799168

約数和(自身を除く): 13416189

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 11987, 35961, 83909, 131857, 251727, 395571, 587363, 922999, 1762089, 2768997, 6460993, 19382979]

約数ペア:

[(1, 19382979), (3, 6460993), (7, 2768997), (11, 1762089), (21, 922999), (33, 587363), (49, 395571), (77, 251727), (147, 131857), (231, 83909), (539, 35961), (1617, 11987)]