18815901

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9103}}^1$

素因数の和:9172

約数の個数: 16

約数和(自身を含む): 27530496

約数和(自身を除く): 8714595

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 9103, 27309, 118339, 355017, 482459, 1447377, 6271967, 18815901]

約数ペア:

[(1, 18815901), (3, 6271967), (13, 1447377), (39, 482459), (53, 355017), (159, 118339), (689, 27309), (2067, 9103)]