18438644

素因数分解:

$2^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{953}}^1$

素因数の和:1655

約数の個数: 24

約数和(自身を含む): 36969408

約数和(自身を除く): 18530764

約数列:

[1, 2, 4, 7, 14, 28, 691, 953, 1382, 1906, 2764, 3812, 4837, 6671, 9674, 13342, 19348, 26684, 658523, 1317046, 2634092, 4609661, 9219322, 18438644]

約数ペア:

[(1, 18438644), (2, 9219322), (4, 4609661), (7, 2634092), (14, 1317046), (28, 658523), (691, 26684), (953, 19348), (1382, 13342), (1906, 9674), (2764, 6671), (3812, 4837)]