1990516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2381}}^1$

素因数の和:2415

約数の個数: 24

約数和(自身を含む): 4001760

約数和(自身を除く): 2011244

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 2381, 4762, 9524, 26191, 45239, 52382, 90478, 104764, 180956, 497629, 995258, 1990516]

約数ペア:

[(1, 1990516), (2, 995258), (4, 497629), (11, 180956), (19, 104764), (22, 90478), (38, 52382), (44, 45239), (76, 26191), (209, 9524), (418, 4762), (836, 2381)]