19298721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1181}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 27800640

約数和(自身を除く): 8501919

約数列:

[1, 3, 13, 39, 419, 1181, 1257, 3543, 5447, 15353, 16341, 46059, 494839, 1484517, 6432907, 19298721]

約数ペア:

[(1, 19298721), (3, 6432907), (13, 1484517), (39, 494839), (419, 46059), (1181, 16341), (1257, 15353), (3543, 5447)]