19521021

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 28489440

約数和(自身を除く): 8968419

約数列:

[1, 3, 13, 39, 139, 169, 277, 417, 507, 831, 1807, 3601, 5421, 10803, 23491, 38503, 46813, 70473, 115509, 140439, 500539, 1501617, 6507007, 19521021]

約数ペア:

[(1, 19521021), (3, 6507007), (13, 1501617), (39, 500539), (139, 140439), (169, 115509), (277, 70473), (417, 46813), (507, 38503), (831, 23491), (1807, 10803), (3601, 5421)]