19478199

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16111}}^1$

素因数の和:16158

約数の個数: 16

約数和(自身を含む): 28872704

約数和(自身を除く): 9394505

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 16111, 48333, 209443, 499441, 628329, 1498323, 6492733, 19478199]

約数ペア:

[(1, 19478199), (3, 6492733), (13, 1498323), (31, 628329), (39, 499441), (93, 209443), (403, 48333), (1209, 16111)]