19707115

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1410

約数の個数: 16

約数和(自身を含む): 24558336

約数和(自身を除く): 4851221

約数列:

[1, 5, 43, 71, 215, 355, 1291, 3053, 6455, 15265, 55513, 91661, 277565, 458305, 3941423, 19707115]

約数ペア:

[(1, 19707115), (5, 3941423), (43, 458305), (71, 277565), (215, 91661), (355, 55513), (1291, 15265), (3053, 6455)]