19723828

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{881}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 35932680

約数和(自身を除く): 16208852

約数列:

[1, 2, 4, 29, 58, 116, 193, 386, 772, 881, 1762, 3524, 5597, 11194, 22388, 25549, 51098, 102196, 170033, 340066, 680132, 4930957, 9861914, 19723828]

約数ペア:

[(1, 19723828), (2, 9861914), (4, 4930957), (29, 680132), (58, 340066), (116, 170033), (193, 102196), (386, 51098), (772, 25549), (881, 22388), (1762, 11194), (3524, 5597)]