20171738768

素因数分解:

$2^4\times {\mathrm{5297}}^1\times {\mathrm{238009}}^1$

素因数の和:243314

約数の個数: 20

約数和(自身を含む): 39090286380

約数和(自身を除く): 18918547612

約数列:

[1, 2, 4, 8, 16, 5297, 10594, 21188, 42376, 84752, 238009, 476018, 952036, 1904072, 3808144, 1260733673, 2521467346, 5042934692, 10085869384, 20171738768]

約数ペア:

[(1, 20171738768), (2, 10085869384), (4, 5042934692), (8, 2521467346), (16, 1260733673), (5297, 3808144), (10594, 1904072), (21188, 952036), (42376, 476018), (84752, 238009)]