19994414

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 34947936

約数和(自身を除く): 14953522

約数列:

[1, 2, 11, 17, 22, 34, 187, 193, 277, 374, 386, 554, 2123, 3047, 3281, 4246, 4709, 6094, 6562, 9418, 36091, 51799, 53461, 72182, 103598, 106922, 588071, 908837, 1176142, 1817674, 9997207, 19994414]

約数ペア:

[(1, 19994414), (2, 9997207), (11, 1817674), (17, 1176142), (22, 908837), (34, 588071), (187, 106922), (193, 103598), (277, 72182), (374, 53461), (386, 51799), (554, 36091), (2123, 9418), (3047, 6562), (3281, 6094), (4246, 4709)]