1939521776

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{122321}}^1$

素因数の和:123320

約数の個数: 20

約数和(自身を含む): 3761646144

約数和(自身を除く): 1822124368

約数列:

[1, 2, 4, 8, 16, 991, 1982, 3964, 7928, 15856, 122321, 244642, 489284, 978568, 1957136, 121220111, 242440222, 484880444, 969760888, 1939521776]

約数ペア:

[(1, 1939521776), (2, 969760888), (4, 484880444), (8, 242440222), (16, 121220111), (991, 1957136), (1982, 978568), (3964, 489284), (7928, 244642), (15856, 122321)]