18593428

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{691}}^1$

素因数の和:764

約数の個数: 36

約数和(自身を含む): 38480736

約数和(自身を除く): 19887308

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 691, 868, 961, 1382, 1922, 2764, 3844, 4837, 6727, 9674, 13454, 19348, 21421, 26908, 42842, 85684, 149947, 299894, 599788, 664051, 1328102, 2656204, 4648357, 9296714, 18593428]

約数ペア:

[(1, 18593428), (2, 9296714), (4, 4648357), (7, 2656204), (14, 1328102), (28, 664051), (31, 599788), (62, 299894), (124, 149947), (217, 85684), (434, 42842), (691, 26908), (868, 21421), (961, 19348), (1382, 13454), (1922, 9674), (2764, 6727), (3844, 4837)]