19856354

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23251}}^1$

素因数の和:23321

約数の個数: 16

約数和(自身を含む): 34598976

約数和(自身を除く): 14742622

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23251, 46502, 162757, 325514, 1418311, 2836622, 9928177, 19856354]

約数ペア:

[(1, 19856354), (2, 9928177), (7, 2836622), (14, 1418311), (61, 325514), (122, 162757), (427, 46502), (854, 23251)]