19788777

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 29484000

約数和(自身を除く): 9695223

約数列:

[1, 3, 9, 59, 83, 177, 249, 449, 531, 747, 1347, 4041, 4897, 14691, 26491, 37267, 44073, 79473, 111801, 238419, 335403, 2198753, 6596259, 19788777]

約数ペア:

[(1, 19788777), (3, 6596259), (9, 2198753), (59, 335403), (83, 238419), (177, 111801), (249, 79473), (449, 44073), (531, 37267), (747, 26491), (1347, 14691), (4041, 4897)]