19995050

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17387}}^1$

素因数の和:17422

約数の個数: 24

約数和(自身を含む): 38810016

約数和(自身を除く): 18814966

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 17387, 34774, 86935, 173870, 399901, 434675, 799802, 869350, 1999505, 3999010, 9997525, 19995050]

約数ペア:

[(1, 19995050), (2, 9997525), (5, 3999010), (10, 1999505), (23, 869350), (25, 799802), (46, 434675), (50, 399901), (115, 173870), (230, 86935), (575, 34774), (1150, 17387)]