19390497

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15137}}^1$

素因数の和:15208

約数の個数: 16

約数和(自身を含む): 30033792

約数和(自身を除く): 10643295

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15137, 45411, 105959, 317877, 923357, 2770071, 6463499, 19390497]

約数ペア:

[(1, 19390497), (3, 6463499), (7, 2770071), (21, 923357), (61, 317877), (183, 105959), (427, 45411), (1281, 15137)]