19663085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1321}}^1$

素因数の和:1568

約数の個数: 16

約数和(自身を含む): 25541040

約数和(自身を除く): 5877955

約数列:

[1, 5, 13, 65, 229, 1145, 1321, 2977, 6605, 14885, 17173, 85865, 302509, 1512545, 3932617, 19663085]

約数ペア:

[(1, 19663085), (5, 3932617), (13, 1512545), (65, 302509), (229, 85865), (1145, 17173), (1321, 14885), (2977, 6605)]