19658223

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{419}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 30728880

約数和(自身を除く): 11070657

約数列:

[1, 3, 9, 13, 39, 117, 401, 419, 1203, 1257, 3609, 3771, 5213, 5447, 15639, 16341, 46917, 49023, 168019, 504057, 1512171, 2184247, 6552741, 19658223]

約数ペア:

[(1, 19658223), (3, 6552741), (9, 2184247), (13, 1512171), (39, 504057), (117, 168019), (401, 49023), (419, 46917), (1203, 16341), (1257, 15639), (3609, 5447), (3771, 5213)]