19996245886

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{11783}}^1$

素因数の和:11929

約数の個数: 64

約数和(自身を含む): 34820305920

約数和(自身を除く): 14824060034

約数列:

[1, 2, 17, 19, 34, 37, 38, 71, 74, 142, 323, 629, 646, 703, 1207, 1258, 1349, 1406, 2414, 2627, 2698, 5254, 11783, 11951, 22933, 23566, 23902, 44659, 45866, 49913, 89318, 99826, 200311, 223877, 400622, 435971, 447754, 836593, 848521, 871942, 1673186, 1697042, 3805909, 7411507, 7611818, 8283449, 14222081, 14823014, 15895267, 16566898, 28444162, 30953941, 31790534, 61907882, 140818633, 270219539, 281637266, 526216997, 540439078, 588124879, 1052433994, 1176249758, 9998122943, 19996245886]

約数ペア:

[(1, 19996245886), (2, 9998122943), (17, 1176249758), (19, 1052433994), (34, 588124879), (37, 540439078), (38, 526216997), (71, 281637266), (74, 270219539), (142, 140818633), (323, 61907882), (629, 31790534), (646, 30953941), (703, 28444162), (1207, 16566898), (1258, 15895267), (1349, 14823014), (1406, 14222081), (2414, 8283449), (2627, 7611818), (2698, 7411507), (5254, 3805909), (11783, 1697042), (11951, 1673186), (22933, 871942), (23566, 848521), (23902, 836593), (44659, 447754), (45866, 435971), (49913, 400622), (89318, 223877), (99826, 200311)]