20199785818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{39443}}^1\times {\mathrm{13477}}^1$

素因数の和:52941

約数の個数: 16

約数和(自身を含む): 31897573920

約数和(自身を除く): 11697788102

約数列:

[1, 2, 19, 38, 13477, 26954, 39443, 78886, 256063, 512126, 749417, 1498834, 531573311, 1063146622, 10099892909, 20199785818]

約数ペア:

[(1, 20199785818), (2, 10099892909), (19, 1063146622), (38, 531573311), (13477, 1498834), (26954, 749417), (39443, 512126), (78886, 256063)]