18050840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5437}}^1$

素因数の和:5531

約数の個数: 32

約数和(自身を含む): 41111280

約数和(自身を除く): 23060440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 5437, 10874, 21748, 27185, 43496, 54370, 108740, 217480, 451271, 902542, 1805084, 2256355, 3610168, 4512710, 9025420, 18050840]

約数ペア:

[(1, 18050840), (2, 9025420), (4, 4512710), (5, 3610168), (8, 2256355), (10, 1805084), (20, 902542), (40, 451271), (83, 217480), (166, 108740), (332, 54370), (415, 43496), (664, 27185), (830, 21748), (1660, 10874), (3320, 5437)]