19884722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 35308224

約数和(自身を除く): 15423502

約数列:

[1, 2, 11, 13, 22, 26, 143, 251, 277, 286, 502, 554, 2761, 3047, 3263, 3601, 5522, 6094, 6526, 7202, 35893, 39611, 69527, 71786, 79222, 139054, 764797, 903851, 1529594, 1807702, 9942361, 19884722]

約数ペア:

[(1, 19884722), (2, 9942361), (11, 1807702), (13, 1529594), (22, 903851), (26, 764797), (143, 139054), (251, 79222), (277, 71786), (286, 69527), (502, 39611), (554, 35893), (2761, 7202), (3047, 6526), (3263, 6094), (3601, 5522)]