19072306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20161}}^1$

素因数の和:20217

約数の個数: 16

約数和(自身を含む): 31936608

約数和(自身を除く): 12864302

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20161, 40322, 221771, 443542, 866923, 1733846, 9536153, 19072306]

約数ペア:

[(1, 19072306), (2, 9536153), (11, 1733846), (22, 866923), (43, 443542), (86, 221771), (473, 40322), (946, 20161)]