19609121

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2417}}^1$

素因数の和:2504

約数の個数: 16

約数和(自身を含む): 23986560

約数和(自身を除く): 4377439

約数列:

[1, 7, 19, 61, 133, 427, 1159, 2417, 8113, 16919, 45923, 147437, 321461, 1032059, 2801303, 19609121]

約数ペア:

[(1, 19609121), (7, 2801303), (19, 1032059), (61, 321461), (133, 147437), (427, 45923), (1159, 16919), (2417, 8113)]