18862508

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{701}}^1$

素因数の和:774

約数の個数: 36

約数和(自身を含む): 39036816

約数和(自身を除く): 20174308

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 701, 868, 961, 1402, 1922, 2804, 3844, 4907, 6727, 9814, 13454, 19628, 21731, 26908, 43462, 86924, 152117, 304234, 608468, 673661, 1347322, 2694644, 4715627, 9431254, 18862508]

約数ペア:

[(1, 18862508), (2, 9431254), (4, 4715627), (7, 2694644), (14, 1347322), (28, 673661), (31, 608468), (62, 304234), (124, 152117), (217, 86924), (434, 43462), (701, 26908), (868, 21731), (961, 19628), (1402, 13454), (1922, 9814), (2804, 6727), (3844, 4907)]