19220409

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18253}}^1$

素因数の和:18278

約数の個数: 20

約数和(自身を含む): 30922276

約数和(自身を除く): 11701867

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18253, 54759, 164277, 237289, 492831, 711867, 1478493, 2135601, 6406803, 19220409]

約数ペア:

[(1, 19220409), (3, 6406803), (9, 2135601), (13, 1478493), (27, 711867), (39, 492831), (81, 237289), (117, 164277), (351, 54759), (1053, 18253)]