19874829

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{22157}}^1$

素因数の和:22196

約数の個数: 16

約数和(自身を含む): 29780352

約数和(自身を除く): 9905523

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 22157, 66471, 288041, 509611, 864123, 1528833, 6624943, 19874829]

約数ペア:

[(1, 19874829), (3, 6624943), (13, 1528833), (23, 864123), (39, 509611), (69, 288041), (299, 66471), (897, 22157)]