12890854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{353}}^1$

素因数の和:436

約数の個数: 24

約数和(自身を含む): 21091320

約数和(自身を除く): 8200466

約数列:

[1, 2, 19, 31, 38, 62, 353, 589, 706, 961, 1178, 1922, 6707, 10943, 13414, 18259, 21886, 36518, 207917, 339233, 415834, 678466, 6445427, 12890854]

約数ペア:

[(1, 12890854), (2, 6445427), (19, 678466), (31, 415834), (38, 339233), (62, 207917), (353, 36518), (589, 21886), (706, 18259), (961, 13414), (1178, 10943), (1922, 6707)]