18291826

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{21419}}^1$

素因数の和:21489

約数の個数: 16

約数和(自身を含む): 31872960

約数和(自身を除く): 13581134

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 21419, 42838, 149933, 299866, 1306559, 2613118, 9145913, 18291826]

約数ペア:

[(1, 18291826), (2, 9145913), (7, 2613118), (14, 1306559), (61, 299866), (122, 149933), (427, 42838), (854, 21419)]