19856193

素因数分解:

$3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{2069}}^1$

素因数の和:2536

約数の個数: 16

約数和(自身を含む): 30337920

約数和(自身を除く): 10481727

約数列:

[1, 3, 7, 21, 457, 1371, 2069, 3199, 6207, 9597, 14483, 43449, 945533, 2836599, 6618731, 19856193]

約数ペア:

[(1, 19856193), (3, 6618731), (7, 2836599), (21, 945533), (457, 43449), (1371, 14483), (2069, 9597), (3199, 6207)]