19660053

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19919}}^1$

素因数の和:19976

約数の個数: 16

約数和(自身を含む): 30597120

約数和(自身を除く): 10937067

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 19919, 59757, 139433, 418299, 936193, 2808579, 6553351, 19660053]

約数ペア:

[(1, 19660053), (3, 6553351), (7, 2808579), (21, 936193), (47, 418299), (141, 139433), (329, 59757), (987, 19919)]