19420713

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1307}}^1$

素因数の和:1453

約数の個数: 24

約数和(自身を含む): 30471168

約数和(自身を除く): 11050455

約数列:

[1, 3, 9, 13, 39, 117, 127, 381, 1143, 1307, 1651, 3921, 4953, 11763, 14859, 16991, 50973, 152919, 165989, 497967, 1493901, 2157857, 6473571, 19420713]

約数ペア:

[(1, 19420713), (3, 6473571), (9, 2157857), (13, 1493901), (39, 497967), (117, 165989), (127, 152919), (381, 50973), (1143, 16991), (1307, 14859), (1651, 11763), (3921, 4953)]