18731812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{443}}^1$

素因数の和:520

約数の個数: 36

約数和(自身を含む): 37034928

約数和(自身を除く): 18303116

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 443, 682, 886, 961, 1364, 1772, 1922, 3844, 4873, 9746, 10571, 13733, 19492, 21142, 27466, 42284, 54932, 151063, 302126, 425723, 604252, 851446, 1702892, 4682953, 9365906, 18731812]

約数ペア:

[(1, 18731812), (2, 9365906), (4, 4682953), (11, 1702892), (22, 851446), (31, 604252), (44, 425723), (62, 302126), (124, 151063), (341, 54932), (443, 42284), (682, 27466), (886, 21142), (961, 19492), (1364, 13733), (1772, 10571), (1922, 9746), (3844, 4873)]