18831687

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 30277632

約数和(自身を除く): 11445945

約数列:

[1, 3, 7, 21, 23, 69, 127, 161, 307, 381, 483, 889, 921, 2149, 2667, 2921, 6447, 7061, 8763, 20447, 21183, 38989, 49427, 61341, 116967, 148281, 272923, 818769, 896747, 2690241, 6277229, 18831687]

約数ペア:

[(1, 18831687), (3, 6277229), (7, 2690241), (21, 896747), (23, 818769), (69, 272923), (127, 148281), (161, 116967), (307, 61341), (381, 49427), (483, 38989), (889, 21183), (921, 20447), (2149, 8763), (2667, 7061), (2921, 6447)]