19938843

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 29479008

約数和(自身を除く): 9540165

約数列:

[1, 3, 9, 103, 137, 157, 309, 411, 471, 927, 1233, 1413, 14111, 16171, 21509, 42333, 48513, 64527, 126999, 145539, 193581, 2215427, 6646281, 19938843]

約数ペア:

[(1, 19938843), (3, 6646281), (9, 2215427), (103, 193581), (137, 145539), (157, 126999), (309, 64527), (411, 48513), (471, 42333), (927, 21509), (1233, 16171), (1413, 14111)]