18217181

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:404

約数の個数: 16

約数和(自身を含む): 20021760

約数和(自身を除く): 1804579

約数列:

[1, 19, 31, 157, 197, 589, 2983, 3743, 4867, 6107, 30929, 92473, 116033, 587651, 958799, 18217181]

約数ペア:

[(1, 18217181), (19, 958799), (31, 587651), (157, 116033), (197, 92473), (589, 30929), (2983, 6107), (3743, 4867)]