19444943

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 23000640

約数和(自身を除く): 3555697

約数列:

[1, 7, 37, 193, 259, 389, 1351, 2723, 7141, 14393, 49987, 75077, 100751, 525539, 2777849, 19444943]

約数ペア:

[(1, 19444943), (7, 2777849), (37, 525539), (193, 100751), (259, 75077), (389, 49987), (1351, 14393), (2723, 7141)]