18748459

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:418

約数の個数: 16

約数和(自身を含む): 20608000

約数和(自身を除く): 1859541

約数列:

[1, 19, 31, 139, 229, 589, 2641, 4309, 4351, 7099, 31831, 81871, 134881, 604789, 986761, 18748459]

約数ペア:

[(1, 18748459), (19, 986761), (31, 604789), (139, 134881), (229, 81871), (589, 31831), (2641, 7099), (4309, 4351)]