19490793

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9011}}^1$

素因数の和:9124

約数の個数: 16

約数和(自身を含む): 29991936

約数和(自身を除く): 10501143

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9011, 27033, 63077, 189231, 928133, 2784399, 6496931, 19490793]

約数ペア:

[(1, 19490793), (3, 6496931), (7, 2784399), (21, 928133), (103, 189231), (309, 63077), (721, 27033), (2163, 9011)]