18811716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20359}}^1$

素因数の和:20384

約数の個数: 48

約数和(自身を含む): 54727680

約数和(自身を除く): 35915964

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20359, 40718, 61077, 81436, 122154, 142513, 223949, 244308, 285026, 427539, 447898, 570052, 671847, 855078, 895796, 1343694, 1567643, 1710156, 2687388, 3135286, 4702929, 6270572, 9405858, 18811716]

約数ペア:

[(1, 18811716), (2, 9405858), (3, 6270572), (4, 4702929), (6, 3135286), (7, 2687388), (11, 1710156), (12, 1567643), (14, 1343694), (21, 895796), (22, 855078), (28, 671847), (33, 570052), (42, 447898), (44, 427539), (66, 285026), (77, 244308), (84, 223949), (132, 142513), (154, 122154), (231, 81436), (308, 61077), (462, 40718), (924, 20359)]