19420878

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{140731}}^1$

素因数の和:140759

約数の個数: 16

約数和(自身を含む): 40530816

約数和(自身を除く): 21109938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 140731, 281462, 422193, 844386, 3236813, 6473626, 9710439, 19420878]

約数ペア:

[(1, 19420878), (2, 9710439), (3, 6473626), (6, 3236813), (23, 844386), (46, 422193), (69, 281462), (138, 140731)]