19506700

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2011}}^1$

素因数の和:2122

約数の個数: 36

約数和(自身を含む): 42787192

約数和(自身を除く): 23280492

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2011, 2425, 4022, 4850, 8044, 9700, 10055, 20110, 40220, 50275, 100550, 195067, 201100, 390134, 780268, 975335, 1950670, 3901340, 4876675, 9753350, 19506700]

約数ペア:

[(1, 19506700), (2, 9753350), (4, 4876675), (5, 3901340), (10, 1950670), (20, 975335), (25, 780268), (50, 390134), (97, 201100), (100, 195067), (194, 100550), (388, 50275), (485, 40220), (970, 20110), (1940, 10055), (2011, 9700), (2425, 8044), (4022, 4850)]