19865626

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 33587136

約数和(自身を除く): 13721510

約数列:

[1, 2, 11, 22, 61, 113, 122, 131, 226, 262, 671, 1243, 1342, 1441, 2486, 2882, 6893, 7991, 13786, 14803, 15982, 29606, 75823, 87901, 151646, 162833, 175802, 325666, 902983, 1805966, 9932813, 19865626]

約数ペア:

[(1, 19865626), (2, 9932813), (11, 1805966), (22, 902983), (61, 325666), (113, 175802), (122, 162833), (131, 151646), (226, 87901), (262, 75823), (671, 29606), (1243, 15982), (1342, 14803), (1441, 13786), (2486, 7991), (2882, 6893)]