19181631

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{13633}}^1$

素因数の和:13710

約数の個数: 16

約数和(自身を含む): 29667584

約数和(自身を除く): 10485953

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 13633, 40899, 95431, 286293, 913411, 2740233, 6393877, 19181631]

約数ペア:

[(1, 19181631), (3, 6393877), (7, 2740233), (21, 913411), (67, 286293), (201, 95431), (469, 40899), (1407, 13633)]