18890469

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53819}}^1$

素因数の和:53841

約数の個数: 16

約数和(自身を含む): 30139200

約数和(自身を除く): 11248731

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 53819, 161457, 484371, 699647, 1453113, 2098941, 6296823, 18890469]

約数ペア:

[(1, 18890469), (3, 6296823), (9, 2098941), (13, 1453113), (27, 699647), (39, 484371), (117, 161457), (351, 53819)]