19788110

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{27107}}^1$

素因数の和:27187

約数の個数: 16

約数和(自身を含む): 36107856

約数和(自身を除く): 16319746

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 27107, 54214, 135535, 271070, 1978811, 3957622, 9894055, 19788110]

約数ペア:

[(1, 19788110), (2, 9894055), (5, 3957622), (10, 1978811), (73, 271070), (146, 135535), (365, 54214), (730, 27107)]