19302830

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4397}}^1$

素因数の和:4843

約数の個数: 16

約数和(自身を含む): 34832160

約数和(自身を除く): 15529330

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 4397, 8794, 21985, 43970, 1930283, 3860566, 9651415, 19302830]

約数ペア:

[(1, 19302830), (2, 9651415), (5, 3860566), (10, 1930283), (439, 43970), (878, 21985), (2195, 8794), (4390, 4397)]