19728874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:183

約数の個数: 48

約数和(自身を含む): 35808480

約数和(自身を除く): 16079606

約数列:

[1, 2, 11, 17, 22, 29, 34, 58, 107, 187, 214, 289, 319, 374, 493, 578, 638, 986, 1177, 1819, 2354, 3103, 3179, 3638, 5423, 6206, 6358, 8381, 10846, 16762, 20009, 30923, 34133, 40018, 52751, 61846, 68266, 92191, 105502, 184382, 340153, 580261, 680306, 896767, 1160522, 1793534, 9864437, 19728874]

約数ペア:

[(1, 19728874), (2, 9864437), (11, 1793534), (17, 1160522), (22, 896767), (29, 680306), (34, 580261), (58, 340153), (107, 184382), (187, 105502), (214, 92191), (289, 68266), (319, 61846), (374, 52751), (493, 40018), (578, 34133), (638, 30923), (986, 20009), (1177, 16762), (1819, 10846), (2354, 8381), (3103, 6358), (3179, 6206), (3638, 5423)]