19174820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136963}}^1$

素因数の和:136979

約数の個数: 24

約数和(自身を含む): 46019904

約数和(自身を除く): 26845084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136963, 273926, 547852, 684815, 958741, 1369630, 1917482, 2739260, 3834964, 4793705, 9587410, 19174820]

約数ペア:

[(1, 19174820), (2, 9587410), (4, 4793705), (5, 3834964), (7, 2739260), (10, 1917482), (14, 1369630), (20, 958741), (28, 684815), (35, 547852), (70, 273926), (140, 136963)]