19946409

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{49991}}^1$

素因数の和:50020

約数の個数: 16

約数和(自身を含む): 31994880

約数和(自身を除く): 12048471

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 49991, 149973, 349937, 949829, 1049811, 2849487, 6648803, 19946409]

約数ペア:

[(1, 19946409), (3, 6648803), (7, 2849487), (19, 1049811), (21, 949829), (57, 349937), (133, 149973), (399, 49991)]