19991078

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{2939}}^1$

素因数の和:3139

約数の個数: 16

約数和(自身を含む): 31752000

約数和(自身を除く): 11760922

約数列:

[1, 2, 19, 38, 179, 358, 2939, 3401, 5878, 6802, 55841, 111682, 526081, 1052162, 9995539, 19991078]

約数ペア:

[(1, 19991078), (2, 9995539), (19, 1052162), (38, 526081), (179, 111682), (358, 55841), (2939, 6802), (3401, 5878)]