19990792

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 38822400

約数和(自身を除く): 18831608

約数列:

[1, 2, 4, 8, 47, 79, 94, 158, 188, 316, 376, 632, 673, 1346, 2692, 3713, 5384, 7426, 14852, 29704, 31631, 53167, 63262, 106334, 126524, 212668, 253048, 425336, 2498849, 4997698, 9995396, 19990792]

約数ペア:

[(1, 19990792), (2, 9995396), (4, 4997698), (8, 2498849), (47, 425336), (79, 253048), (94, 212668), (158, 126524), (188, 106334), (316, 63262), (376, 53167), (632, 31631), (673, 29704), (1346, 14852), (2692, 7426), (3713, 5384)]