19716918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2237}}^1$

素因数の和:2368

約数の個数: 32

約数和(自身を含む): 42862176

約数和(自身を除く): 23145258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 113, 226, 339, 678, 1469, 2237, 2938, 4407, 4474, 6711, 8814, 13422, 29081, 58162, 87243, 174486, 252781, 505562, 758343, 1516686, 3286153, 6572306, 9858459, 19716918]

約数ペア:

[(1, 19716918), (2, 9858459), (3, 6572306), (6, 3286153), (13, 1516686), (26, 758343), (39, 505562), (78, 252781), (113, 174486), (226, 87243), (339, 58162), (678, 29081), (1469, 13422), (2237, 8814), (2938, 6711), (4407, 4474)]