17996866280

素因数分解:

$2^3\times 5^1\times {\mathrm{2311}}^1\times {\mathrm{194687}}^1$

素因数の和:197009

約数の個数: 32

約数和(自身を含む): 40510679040

約数和(自身を除く): 22513812760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2311, 4622, 9244, 11555, 18488, 23110, 46220, 92440, 194687, 389374, 778748, 973435, 1557496, 1946870, 3893740, 7787480, 449921657, 899843314, 1799686628, 2249608285, 3599373256, 4499216570, 8998433140, 17996866280]

約数ペア:

[(1, 17996866280), (2, 8998433140), (4, 4499216570), (5, 3599373256), (8, 2249608285), (10, 1799686628), (20, 899843314), (40, 449921657), (2311, 7787480), (4622, 3893740), (9244, 1946870), (11555, 1557496), (18488, 973435), (23110, 778748), (46220, 389374), (92440, 194687)]