18168403

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 20604672

約数和(自身を除く): 2436269

約数列:

[1, 11, 43, 71, 473, 541, 781, 3053, 5951, 23263, 33583, 38411, 255893, 422521, 1651673, 18168403]

約数ペア:

[(1, 18168403), (11, 1651673), (43, 422521), (71, 255893), (473, 38411), (541, 33583), (781, 23263), (3053, 5951)]