18998278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{6829}}^1$

素因数の和:6951

約数の個数: 16

約数和(自身を含む): 30980880

約数和(自身を除く): 11982602

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 6829, 13658, 88777, 177554, 730703, 1461406, 9499139, 18998278]

約数ペア:

[(1, 18998278), (2, 9499139), (13, 1461406), (26, 730703), (107, 177554), (214, 88777), (1391, 13658), (2782, 6829)]