18712606

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13946594

約数列:

[1, 2, 11, 19, 22, 38, 89, 178, 209, 418, 503, 979, 1006, 1691, 1958, 3382, 5533, 9557, 11066, 18601, 19114, 37202, 44767, 89534, 105127, 210254, 492437, 850573, 984874, 1701146, 9356303, 18712606]

約数ペア:

[(1, 18712606), (2, 9356303), (11, 1701146), (19, 984874), (22, 850573), (38, 492437), (89, 210254), (178, 105127), (209, 89534), (418, 44767), (503, 37202), (979, 19114), (1006, 18601), (1691, 11066), (1958, 9557), (3382, 5533)]