18512793

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17581}}^1$

素因数の和:17606

約数の個数: 20

約数和(自身を含む): 29783908

約数和(自身を除く): 11271115

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17581, 52743, 158229, 228553, 474687, 685659, 1424061, 2056977, 6170931, 18512793]

約数ペア:

[(1, 18512793), (3, 6170931), (9, 2056977), (13, 1424061), (27, 685659), (39, 474687), (81, 228553), (117, 158229), (351, 52743), (1053, 17581)]