19737039

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19997}}^1$

素因数の和:20054

約数の個数: 16

約数和(自身を含む): 30716928

約数和(自身を除く): 10979889

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 19997, 59991, 139979, 419937, 939859, 2819577, 6579013, 19737039]

約数ペア:

[(1, 19737039), (3, 6579013), (7, 2819577), (21, 939859), (47, 419937), (141, 139979), (329, 59991), (987, 19997)]