199211903

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{1487}}^1$

素因数の和:2158

約数の個数: 16

約数和(自身を含む): 229271040

約数和(自身を除く): 30059137

約数列:

[1, 11, 19, 209, 641, 1487, 7051, 12179, 16357, 28253, 133969, 310783, 953167, 10484837, 18110173, 199211903]

約数ペア:

[(1, 199211903), (11, 18110173), (19, 10484837), (209, 953167), (641, 310783), (1487, 133969), (7051, 28253), (12179, 16357)]