19320861

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6619}}^1$

素因数の和:6768

約数の個数: 16

約数和(自身を含む): 29657600

約数和(自身を除く): 10336739

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6619, 19857, 46333, 138999, 920041, 2760123, 6440287, 19320861]

約数ペア:

[(1, 19320861), (3, 6440287), (7, 2760123), (21, 920041), (139, 138999), (417, 46333), (973, 19857), (2919, 6619)]