19967007

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4993}}^1$

素因数の和:5070

約数の個数: 16

約数和(自身を含む): 28126208

約数和(自身を除く): 8159201

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 4993, 14979, 154783, 214699, 464349, 644097, 6655669, 19967007]

約数ペア:

[(1, 19967007), (3, 6655669), (31, 644097), (43, 464349), (93, 214699), (129, 154783), (1333, 14979), (3999, 4993)]