1390268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1663}}^1$

素因数の和:1697

約数の個数: 24

約数和(自身を含む): 2795520

約数和(自身を除く): 1405252

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 1663, 3326, 6652, 18293, 31597, 36586, 63194, 73172, 126388, 347567, 695134, 1390268]

約数ペア:

[(1, 1390268), (2, 695134), (4, 347567), (11, 126388), (19, 73172), (22, 63194), (38, 36586), (44, 31597), (76, 18293), (209, 6652), (418, 3326), (836, 1663)]