18644671

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 20072448

約数和(自身を除く): 1427777

約数列:

[1, 31, 43, 71, 197, 1333, 2201, 3053, 6107, 8471, 13987, 94643, 262601, 433597, 601441, 18644671]

約数ペア:

[(1, 18644671), (31, 601441), (43, 433597), (71, 262601), (197, 94643), (1333, 13987), (2201, 8471), (3053, 6107)]