19278327

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 26248320

約数和(自身を除く): 6969993

約数列:

[1, 3, 83, 139, 249, 417, 557, 1671, 11537, 34611, 46231, 77423, 138693, 232269, 6426109, 19278327]

約数ペア:

[(1, 19278327), (3, 6426109), (83, 232269), (139, 138693), (249, 77423), (417, 46231), (557, 34611), (1671, 11537)]