19858346

素因数分解:

$2^1\times {\mathrm{17}}^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 13215574

約数列:

[1, 2, 17, 34, 43, 47, 86, 94, 289, 578, 731, 799, 1462, 1598, 2021, 4042, 4913, 9826, 12427, 13583, 24854, 27166, 34357, 68714, 211259, 230911, 422518, 461822, 584069, 1168138, 9929173, 19858346]

約数ペア:

[(1, 19858346), (2, 9929173), (17, 1168138), (34, 584069), (43, 461822), (47, 422518), (86, 230911), (94, 211259), (289, 68714), (578, 34357), (731, 27166), (799, 24854), (1462, 13583), (1598, 12427), (2021, 9826), (4042, 4913)]