19612665

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1109}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 35164800

約数和(自身を除く): 15552135

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1109, 1179, 1965, 3327, 3537, 5545, 5895, 9981, 16635, 17685, 29943, 49905, 145279, 149715, 435837, 726395, 1307511, 2179185, 3922533, 6537555, 19612665]

約数ペア:

[(1, 19612665), (3, 6537555), (5, 3922533), (9, 2179185), (15, 1307511), (27, 726395), (45, 435837), (131, 149715), (135, 145279), (393, 49905), (655, 29943), (1109, 17685), (1179, 16635), (1965, 9981), (3327, 5895), (3537, 5545)]