19987036

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1699}}^1$

素因数の和:1893

約数の個数: 24

約数和(自身を含む): 37270800

約数和(自身を除く): 17283764

約数列:

[1, 2, 4, 17, 34, 68, 173, 346, 692, 1699, 2941, 3398, 5882, 6796, 11764, 28883, 57766, 115532, 293927, 587854, 1175708, 4996759, 9993518, 19987036]

約数ペア:

[(1, 19987036), (2, 9993518), (4, 4996759), (17, 1175708), (34, 587854), (68, 293927), (173, 115532), (346, 57766), (692, 28883), (1699, 11764), (2941, 6796), (3398, 5882)]