29890990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157321}}^1$

素因数の和:157347

約数の個数: 16

約数和(自身を含む): 56635920

約数和(自身を除く): 26744930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 157321, 314642, 786605, 1573210, 2989099, 5978198, 14945495, 29890990]

約数ペア:

[(1, 29890990), (2, 14945495), (5, 5978198), (10, 2989099), (19, 1573210), (38, 786605), (95, 314642), (190, 157321)]