19778824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{190181}}^1$

素因数の和:190200

約数の個数: 16

約数和(自身を含む): 39938220

約数和(自身を除く): 20159396

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 190181, 380362, 760724, 1521448, 2472353, 4944706, 9889412, 19778824]

約数ペア:

[(1, 19778824), (2, 9889412), (4, 4944706), (8, 2472353), (13, 1521448), (26, 760724), (52, 380362), (104, 190181)]