19877324

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{5171}}^1$

素因数の和:5237

約数の個数: 18

約数和(自身を含む): 35950572

約数和(自身を除く): 16073248

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 5171, 10342, 20684, 160301, 320602, 641204, 4969331, 9938662, 19877324]

約数ペア:

[(1, 19877324), (2, 9938662), (4, 4969331), (31, 641204), (62, 320602), (124, 160301), (961, 20684), (1922, 10342), (3844, 5171)]