19405251

素因数分解:

$3^7\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 30700800

約数和(自身を除く): 11295549

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 467, 513, 729, 1401, 1539, 2187, 4203, 4617, 8873, 12609, 13851, 26619, 37827, 41553, 79857, 113481, 239571, 340443, 718713, 1021329, 2156139, 6468417, 19405251]

約数ペア:

[(1, 19405251), (3, 6468417), (9, 2156139), (19, 1021329), (27, 718713), (57, 340443), (81, 239571), (171, 113481), (243, 79857), (467, 41553), (513, 37827), (729, 26619), (1401, 13851), (1539, 12609), (2187, 8873), (4203, 4617)]