19639274

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5807}}^1$

素因数の和:5917

約数の個数: 16

約数和(自身を含む): 31363200

約数和(自身を除く): 11723926

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 5807, 11614, 110333, 220666, 516823, 1033646, 9819637, 19639274]

約数ペア:

[(1, 19639274), (2, 9819637), (19, 1033646), (38, 516823), (89, 220666), (178, 110333), (1691, 11614), (3382, 5807)]