19842340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141731}}^1$

素因数の和:141747

約数の個数: 24

約数和(自身を含む): 47621952

約数和(自身を除く): 27779612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141731, 283462, 566924, 708655, 992117, 1417310, 1984234, 2834620, 3968468, 4960585, 9921170, 19842340]

約数ペア:

[(1, 19842340), (2, 9921170), (4, 4960585), (5, 3968468), (7, 2834620), (10, 1984234), (14, 1417310), (20, 992117), (28, 708655), (35, 566924), (70, 283462), (140, 141731)]