19401039

素因数分解:

$3^4\times 7^1\times {\mathrm{34217}}^1$

素因数の和:34236

約数の個数: 20

約数和(自身を含む): 33123024

約数和(自身を除く): 13721985

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 34217, 102651, 239519, 307953, 718557, 923859, 2155671, 2771577, 6467013, 19401039]

約数ペア:

[(1, 19401039), (3, 6467013), (7, 2771577), (9, 2155671), (21, 923859), (27, 718557), (63, 307953), (81, 239519), (189, 102651), (567, 34217)]