18205852

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3203}}^1$

素因数の和:3250

約数の個数: 36

約数和(自身を含む): 38351880

約数和(自身を除く): 20146028

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3203, 5684, 6406, 12812, 22421, 44842, 89684, 92887, 156947, 185774, 313894, 371548, 627788, 650209, 1300418, 2600836, 4551463, 9102926, 18205852]

約数ペア:

[(1, 18205852), (2, 9102926), (4, 4551463), (7, 2600836), (14, 1300418), (28, 650209), (29, 627788), (49, 371548), (58, 313894), (98, 185774), (116, 156947), (196, 92887), (203, 89684), (406, 44842), (812, 22421), (1421, 12812), (2842, 6406), (3203, 5684)]