19702995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 34406400

約数和(自身を除く): 14703405

約数列:

[1, 3, 5, 13, 15, 39, 65, 79, 195, 237, 395, 1027, 1185, 1279, 3081, 3837, 5135, 6395, 15405, 16627, 19185, 49881, 83135, 101041, 249405, 303123, 505205, 1313533, 1515615, 3940599, 6567665, 19702995]

約数ペア:

[(1, 19702995), (3, 6567665), (5, 3940599), (13, 1515615), (15, 1313533), (39, 505205), (65, 303123), (79, 249405), (195, 101041), (237, 83135), (395, 49881), (1027, 19185), (1185, 16627), (1279, 15405), (3081, 6395), (3837, 5135)]