18901479857

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{241}}^1\times {\mathrm{811}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 21062084736

約数和(自身を除く): 2160604879

約数列:

[1, 13, 43, 173, 241, 559, 811, 2249, 3133, 7439, 10363, 10543, 34873, 41693, 96707, 134719, 140303, 195451, 453349, 542009, 1792799, 1823939, 2540863, 6033029, 8404393, 23306387, 33813023, 78429377, 109257109, 439569299, 1453959989, 18901479857]

約数ペア:

[(1, 18901479857), (13, 1453959989), (43, 439569299), (173, 109257109), (241, 78429377), (559, 33813023), (811, 23306387), (2249, 8404393), (3133, 6033029), (7439, 2540863), (10363, 1823939), (10543, 1792799), (34873, 542009), (41693, 453349), (96707, 195451), (134719, 140303)]