18354820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83431}}^1$

素因数の和:83451

約数の個数: 24

約数和(自身を含む): 42049728

約数和(自身を除く): 23694908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 83431, 166862, 333724, 417155, 834310, 917741, 1668620, 1835482, 3670964, 4588705, 9177410, 18354820]

約数ペア:

[(1, 18354820), (2, 9177410), (4, 4588705), (5, 3670964), (10, 1835482), (11, 1668620), (20, 917741), (22, 834310), (44, 417155), (55, 333724), (110, 166862), (220, 83431)]