19809394

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3559}}^1$

素因数の和:3606

約数の個数: 24

約数和(自身を含む): 34090560

約数和(自身を除く): 14281166

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 2783, 3559, 5566, 7118, 39149, 78298, 81857, 163714, 430639, 861278, 900427, 1800854, 9904697, 19809394]

約数ペア:

[(1, 19809394), (2, 9904697), (11, 1800854), (22, 900427), (23, 861278), (46, 430639), (121, 163714), (242, 81857), (253, 78298), (506, 39149), (2783, 7118), (3559, 5566)]