15201919

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 17107200

約数和(自身を除く): 1905281

約数列:

[1, 19, 23, 43, 437, 809, 817, 989, 15371, 18607, 18791, 34787, 353533, 660953, 800101, 15201919]

約数ペア:

[(1, 15201919), (19, 800101), (23, 660953), (43, 353533), (437, 34787), (809, 18791), (817, 18607), (989, 15371)]