18769569

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{349}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 12276831

約数列:

[1, 3, 7, 13, 21, 39, 91, 197, 273, 349, 591, 1047, 1379, 2443, 2561, 4137, 4537, 7329, 7683, 13611, 17927, 31759, 53781, 68753, 95277, 206259, 481271, 893789, 1443813, 2681367, 6256523, 18769569]

約数ペア:

[(1, 18769569), (3, 6256523), (7, 2681367), (13, 1443813), (21, 893789), (39, 481271), (91, 206259), (197, 95277), (273, 68753), (349, 53781), (591, 31759), (1047, 17927), (1379, 13611), (2443, 7683), (2561, 7329), (4137, 4537)]