19381895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8059}}^1$

素因数の和:8114

約数の個数: 16

約数和(自身を含む): 25727520

約数和(自身を除く): 6345625

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 8059, 40295, 104767, 298183, 523835, 1490915, 3876379, 19381895]

約数ペア:

[(1, 19381895), (5, 3876379), (13, 1490915), (37, 523835), (65, 298183), (185, 104767), (481, 40295), (2405, 8059)]