19298980

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1361}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 40614840

約数和(自身を除く): 21315860

約数列:

[1, 2, 4, 5, 10, 20, 709, 1361, 1418, 2722, 2836, 3545, 5444, 6805, 7090, 13610, 14180, 27220, 964949, 1929898, 3859796, 4824745, 9649490, 19298980]

約数ペア:

[(1, 19298980), (2, 9649490), (4, 4824745), (5, 3859796), (10, 1929898), (20, 964949), (709, 27220), (1361, 14180), (1418, 13610), (2722, 7090), (2836, 6805), (3545, 5444)]