20189071412

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1507097}}^1$

素因数の和:1507315

約数の個数: 24

約数和(自身を含む): 37599080904

約数和(自身を除く): 17410009492

約数列:

[1, 2, 4, 17, 34, 68, 197, 394, 788, 3349, 6698, 13396, 1507097, 3014194, 6028388, 25620649, 51241298, 102482596, 296898109, 593796218, 1187592436, 5047267853, 10094535706, 20189071412]

約数ペア:

[(1, 20189071412), (2, 10094535706), (4, 5047267853), (17, 1187592436), (34, 593796218), (68, 296898109), (197, 102482596), (394, 51241298), (788, 25620649), (3349, 6028388), (6698, 3014194), (13396, 1507097)]