19786143

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8317}}^1$

素因数の和:8394

約数の個数: 16

約数和(自身を含む): 28880096

約数和(自身を除く): 9093953

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 8317, 24951, 108121, 324363, 507337, 1522011, 6595381, 19786143]

約数ペア:

[(1, 19786143), (3, 6595381), (13, 1522011), (39, 507337), (61, 324363), (183, 108121), (793, 24951), (2379, 8317)]