19743218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28949}}^1$

素因数の和:28993

約数の個数: 16

約数和(自身を含む): 33350400

約数和(自身を除く): 13607182

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 28949, 57898, 318439, 636878, 897419, 1794838, 9871609, 19743218]

約数ペア:

[(1, 19743218), (2, 9871609), (11, 1794838), (22, 897419), (31, 636878), (62, 318439), (341, 57898), (682, 28949)]