19460105

素因数分解:

$5^1\times 7^4\times {\mathrm{1621}}^1$

素因数の和:1654

約数の個数: 20

約数和(自身を含む): 27259332

約数和(自身を除く): 7799227

約数列:

[1, 5, 7, 35, 49, 245, 343, 1621, 1715, 2401, 8105, 11347, 12005, 56735, 79429, 397145, 556003, 2780015, 3892021, 19460105]

約数ペア:

[(1, 19460105), (5, 3892021), (7, 2780015), (35, 556003), (49, 397145), (245, 79429), (343, 56735), (1621, 12005), (1715, 11347), (2401, 8105)]