2019221584

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{653893}}^1$

素因数の和:654094

約数の個数: 20

約数和(自身を含む): 3932518516

約数和(自身を除く): 1913296932

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 653893, 1307786, 2615572, 5231144, 10462288, 126201349, 252402698, 504805396, 1009610792, 2019221584]

約数ペア:

[(1, 2019221584), (2, 1009610792), (4, 504805396), (8, 252402698), (16, 126201349), (193, 10462288), (386, 5231144), (772, 2615572), (1544, 1307786), (3088, 653893)]