19994339312

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1913}}^1\times {\mathrm{34381}}^1$

素因数の和:36321

約数の個数: 40

約数和(自身を含む): 40800431760

約数和(自身を除く): 20806092448

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1913, 3826, 7652, 15304, 30608, 34381, 36347, 68762, 72694, 137524, 145388, 275048, 290776, 550096, 581552, 653239, 1306478, 2612956, 5225912, 10451824, 65770853, 131541706, 263083412, 526166824, 1052333648, 1249646207, 2499292414, 4998584828, 9997169656, 19994339312]

約数ペア:

[(1, 19994339312), (2, 9997169656), (4, 4998584828), (8, 2499292414), (16, 1249646207), (19, 1052333648), (38, 526166824), (76, 263083412), (152, 131541706), (304, 65770853), (1913, 10451824), (3826, 5225912), (7652, 2612956), (15304, 1306478), (30608, 653239), (34381, 581552), (36347, 550096), (68762, 290776), (72694, 275048), (137524, 145388)]