19937294

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1124

約数の個数: 32

約数和(自身を含む): 34927200

約数和(自身を除く): 14989906

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 221, 442, 559, 731, 1049, 1118, 1462, 2098, 9503, 13637, 17833, 19006, 27274, 35666, 45107, 90214, 231829, 463658, 586391, 766819, 1172782, 1533638, 9968647, 19937294]

約数ペア:

[(1, 19937294), (2, 9968647), (13, 1533638), (17, 1172782), (26, 766819), (34, 586391), (43, 463658), (86, 231829), (221, 90214), (442, 45107), (559, 35666), (731, 27274), (1049, 19006), (1118, 17833), (1462, 13637), (2098, 9503)]