19877374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22037}}^1$

素因数の和:22091

約数の個数: 16

約数和(自身を含む): 33321456

約数和(自身を除く): 13444082

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 22037, 44074, 242407, 484814, 903517, 1807034, 9938687, 19877374]

約数ペア:

[(1, 19877374), (2, 9938687), (11, 1807034), (22, 903517), (41, 484814), (82, 242407), (451, 44074), (902, 22037)]