19637961

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13171}}^1$

素因数の和:13252

約数の個数: 16

約数和(自身を含む): 30348288

約数和(自身を除く): 10710327

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 13171, 39513, 92197, 276591, 935141, 2805423, 6545987, 19637961]

約数ペア:

[(1, 19637961), (3, 6545987), (7, 2805423), (21, 935141), (71, 276591), (213, 92197), (497, 39513), (1491, 13171)]