18690122

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 32693760

約数和(自身を除く): 14003638

約数列:

[1, 2, 11, 22, 23, 43, 46, 86, 253, 473, 506, 859, 946, 989, 1718, 1978, 9449, 10879, 18898, 19757, 21758, 36937, 39514, 73874, 217327, 406307, 434654, 812614, 849551, 1699102, 9345061, 18690122]

約数ペア:

[(1, 18690122), (2, 9345061), (11, 1699102), (22, 849551), (23, 812614), (43, 434654), (46, 406307), (86, 217327), (253, 73874), (473, 39514), (506, 36937), (859, 21758), (946, 19757), (989, 18898), (1718, 10879), (1978, 9449)]