19171701

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{3923}}^1$

素因数の和:4113

約数の個数: 16

約数和(自身を含む): 28566720

約数和(自身を除く): 9395019

約数列:

[1, 3, 9, 27, 181, 543, 1629, 3923, 4887, 11769, 35307, 105921, 710063, 2130189, 6390567, 19171701]

約数ペア:

[(1, 19171701), (3, 6390567), (9, 2130189), (27, 710063), (181, 105921), (543, 35307), (1629, 11769), (3923, 4887)]