18319288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{499}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 37170000

約数和(自身を除く): 18850712

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 353, 499, 706, 998, 1412, 1996, 2824, 3992, 4589, 6487, 9178, 12974, 18356, 25948, 36712, 51896, 176147, 352294, 704588, 1409176, 2289911, 4579822, 9159644, 18319288]

約数ペア:

[(1, 18319288), (2, 9159644), (4, 4579822), (8, 2289911), (13, 1409176), (26, 704588), (52, 352294), (104, 176147), (353, 51896), (499, 36712), (706, 25948), (998, 18356), (1412, 12974), (1996, 9178), (2824, 6487), (3992, 4589)]