19947579

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{4951}}^1$

素因数の和:5050

約数の個数: 16

約数和(自身を含む): 28523520

約数和(自身を除く): 8575941

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 4951, 14853, 84167, 252501, 391129, 1173387, 6649193, 19947579]

約数ペア:

[(1, 19947579), (3, 6649193), (17, 1173387), (51, 391129), (79, 252501), (237, 84167), (1343, 14853), (4029, 4951)]