18560283

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 30051840

約数和(自身を除く): 11491557

約数列:

[1, 3, 7, 19, 21, 57, 133, 181, 257, 399, 543, 771, 1267, 1799, 3439, 3801, 4883, 5397, 10317, 14649, 24073, 34181, 46517, 72219, 102543, 139551, 325619, 883823, 976857, 2651469, 6186761, 18560283]

約数ペア:

[(1, 18560283), (3, 6186761), (7, 2651469), (19, 976857), (21, 883823), (57, 325619), (133, 139551), (181, 102543), (257, 72219), (399, 46517), (543, 34181), (771, 24073), (1267, 14649), (1799, 10317), (3439, 5397), (3801, 4883)]