19928271

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1619}}^1$

素因数の和:2006

約数の個数: 16

約数和(自身を含む): 29082240

約数和(自身を除く): 9153969

約数列:

[1, 3, 11, 33, 373, 1119, 1619, 4103, 4857, 12309, 17809, 53427, 603887, 1811661, 6642757, 19928271]

約数ペア:

[(1, 19928271), (3, 6642757), (11, 1811661), (33, 603887), (373, 53427), (1119, 17809), (1619, 12309), (4103, 4857)]