18023989

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 19906560

約数和(自身を除く): 1882571

約数列:

[1, 19, 31, 71, 431, 589, 1349, 2201, 8189, 13361, 30601, 41819, 253859, 581419, 948631, 18023989]

約数ペア:

[(1, 18023989), (19, 948631), (31, 581419), (71, 253859), (431, 41819), (589, 30601), (1349, 13361), (2201, 8189)]