18986282

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 34577280

約数和(自身を除く): 15590998

約数列:

[1, 2, 7, 14, 19, 38, 133, 137, 266, 274, 521, 959, 1042, 1918, 2603, 3647, 5206, 7294, 9899, 18221, 19798, 36442, 69293, 71377, 138586, 142754, 499639, 999278, 1356163, 2712326, 9493141, 18986282]

約数ペア:

[(1, 18986282), (2, 9493141), (7, 2712326), (14, 1356163), (19, 999278), (38, 499639), (133, 142754), (137, 138586), (266, 71377), (274, 69293), (521, 36442), (959, 19798), (1042, 18221), (1918, 9899), (2603, 7294), (3647, 5206)]