19693191

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{55163}}^1$

素因数の和:55190

約数の個数: 16

約数和(自身を含む): 31774464

約数和(自身を除く): 12081273

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 55163, 165489, 386141, 937771, 1158423, 2813313, 6564397, 19693191]

約数ペア:

[(1, 19693191), (3, 6564397), (7, 2813313), (17, 1158423), (21, 937771), (51, 386141), (119, 165489), (357, 55163)]