18894080261

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{3931}}^1\times {\mathrm{23677}}^1$

素因数の和:27644

約数の個数: 16

約数和(自身を含む): 22344455040

約数和(自身を除く): 3450374779

約数列:

[1, 7, 29, 203, 3931, 23677, 27517, 113999, 165739, 686633, 797993, 4806431, 93074287, 651520009, 2699154323, 18894080261]

約数ペア:

[(1, 18894080261), (7, 2699154323), (29, 651520009), (203, 93074287), (3931, 4806431), (23677, 797993), (27517, 686633), (113999, 165739)]