19640803419

素因数分解:

$3^2\times {\mathrm{165089}}^1\times {\mathrm{13219}}^1$

素因数の和:178314

約数の個数: 12

約数和(自身を含む): 28372367400

約数和(自身を除く): 8731563981

約数列:

[1, 3, 9, 13219, 39657, 118971, 165089, 495267, 1485801, 2182311491, 6546934473, 19640803419]

約数ペア:

[(1, 19640803419), (3, 6546934473), (9, 2182311491), (13219, 1485801), (39657, 495267), (118971, 165089)]