18440047158

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5497927}}^1$

素因数の和:5497988

約数の個数: 32

約数和(自身を含む): 40640683776

約数和(自身を除く): 22200636618

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 5497927, 10995854, 16493781, 32987562, 71473051, 142946102, 214419153, 236410861, 428838306, 472821722, 709232583, 1418465166, 3073341193, 6146682386, 9220023579, 18440047158]

約数ペア:

[(1, 18440047158), (2, 9220023579), (3, 6146682386), (6, 3073341193), (13, 1418465166), (26, 709232583), (39, 472821722), (43, 428838306), (78, 236410861), (86, 214419153), (129, 142946102), (258, 71473051), (559, 32987562), (1118, 16493781), (1677, 10995854), (3354, 5497927)]